Mercury black max 175 poppet valve. Thread starter oxnut85; Start date Jul 27, 2012; O.

Mercury black max 175 poppet valve EuropeanAM. 1. I have changed so far . dose the boat have a water pressure gauge? what is the pressure if so waterpump base and housing? sure its really overheating or is it a false reading or flase alarm? Hi Steve,another poppet valve problem that is confusing sometimes is due to the seat following the valve when it trys to open. New gaskets as well. Re: Poppet Valve/Relief Valve? i have a 86 175 mariner. poppet valve on 91 175 efi/xri. Aug 20, 2023 #7 Check crowleymarine. A poppet valve controls the flow Poppet valve Kit Compatible with Mariner V-6 V135 1986-88 serial # 0A904646 and Up, V150 1986-88 serial # 0A904646 and Up, XR4 1991 serial # 0C239553-0D081999, Magnum II 1991 serial # 0C239553-0D081999, XR6 1992-98 serial # 0D082000 and Up, Magnum III 1992-98 serial # 0D082000 and Up, V175 1989-90 serial # 0C100861 and Up, & V200 1984-88 serial # Mercury Black Max 175 V6 - Poppet Valve Question I have a 1989 Mercury Black Max 175 hp V6 - Serial Number 0B383305. When the t-stats are closed (engine cold) the higher rpms will try to force more water into the engine, the pressure control valve (poppet valve) will open letting the extra water bypass. The poppet normally open around 3000 RPM, thus Mercury 150 V-6 Serial # 1B009 Mercury 150 V-6 Serial # 1B009782. 5 Liter Mercury Black Max & Mariner V6 outboards. Joined Poppet Valve 83 150 Black Max The poppet valve is actually a 'pressure relief' valve. Over the winter I replaced the poppet valve to see if that would cure the problem. Clogs w Re: 89 175 black max running hot If you are sure the poppet valve assy is working properly, the next step would be cutting a link out of the poppet spring so that it will open a little sooner. 5L V6 Replaces: 803062T1, 27-78690, 24-64878, 14480, 14479, 25-64872, 12-85303, 16496, 12-76451, 65848, 10-69570, 13810, 8030 Max H . Either way, that's where you hook up. What purpose is the poppet valve? Mechanic's Assistant: I have a 150h. just bought 1987 mercury 175 black max #ob230678. Reply. Advanced Daily Deals Poppet Valve Kit OEM Mercury 135-200hp 2. Ballplayerz002 New member. When we rev it up then come Just bought 1987 mercury 175 black max #ob230678. Aug 18, 2016 #1 There are many confusing answers to the purpose of this mechanical poppet valve and why water would flow out of the weep hole. Aug 4, 2016 by Mercury & Mariner Outboards . 5L DFI Kit w/Thermostat: 884389PK: 75 - 115 CARB: 3 Cyl. Noel Schembri. 175 Horse Power with controls (Throttle arm/ignition/control wiring/oil tank) included in the price. Mercury serial numbers are usually found on an ID tag on the engine mounting bracket. Jason. Expert. The water pressure was not good at idle. I have read them all and have formulated Selling a 1992 Mercury Black Max 2 Stroke engine with a 25 inch Shaft. The water temp you're running in shouldn't On many other Merc's the poppet valve(s) are generally "fully open" when the water pressure exceeds about 14 psi. And then inspected the poppet valve. It has been on the boat for two years and was steady at 140deg, at 5800 rpm Now at 3000 I get 180deg. Joined Mar 25, 2004 Messages 27,921. 00 - Original 175 1989-90 USA 0C100861 And Up. Poppet valve question on a 1989 150 black max Merc. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Repair difficulty: Easy Repair time: Less than 30 mins. I have replaced the Water pump, Thermostats and Poppet Valve and it seems better but still wants to heat up a little if I am just barley crusing. By chatting and providing I need help with accessing the poppet valve for replacement on a 1993 mercury 175 efi. 93procraft Cadet. This port at the top of the block dumps into the exhaust and is dumped out the motor. ) Had pump replaced, replaced t-stats, and still not happy with pee stream. The one you listed on here dose not look like mine. brought it back in to shore. 5L V6, for Magnum II Magnum III XR4 XR6 V135 V150 V175 V200 Replace OEM 8030-1 803062T1: Valve Parts - Amazon. Kit, Poppet Valve - Mercury 40, 135-275 Early Models is backordered and will ship as soon as it is back in stock. I have a 1985 Mercury 150 Black Max that is overheating as soon as you put the power to it. 5hp four strokes; 3. This is a genuine OEM Mercury Quicksilver factory original replacement part, not aftermarket. com keeps thousands of Mercury parts in stock. Aug 20, 2023 Mercury-Mercruiser 888913A01 POPPET VALVE ASSY genuine factory part not aftermarket. How can I tell if the Poppet Valve is opening and closing properly? leonreno. I pulled Repair difficulty: Medium Repair time: 30 to 60 mins Repair symptoms: Leaking water at poppet valve housing Repair story: Fired engine up for first time of the season and had water coming out of the weep hole, glad I made the repair of the poppet valve as the thermostat was full of salt and debris, if you replace the poppet get all of the The Buckshot Racing #77 Billet Mercury Race Poppet Cover water outlet plate is designed to be strong, lightweight, attractive, and highly durable. i have an on going over heat alarm going off. Thread starter stclarl_98; Start date Aug 18, 2016; S. Chris1956 Supreme Mariner. Jeff G. These Parts were replaced:648771 DIAPHRAGM (Mercury Marine) $ Part 2 of the overheating issues I have been having with the V6. Nothing in my Clymer’s Shop Manual either. My friend tells me that it is a reed valve gone bad, and that I need to do a compression test now on the cylinders, especially seeing that the valve has disentigrated as it did, and was found outside of the engine in the place that it was Engine: 175 Shopping experience: Was very good Repair difficulty: Easy Repair time: Less than 30 mins Repair symptoms: Low water pressure Repair story: Replace popet valve assembly. Can I get the temp down to opera Re: 1988 175 black max cooling problem? I know this is old but I was looking for some help. p Mercury Black Max XR4 on a 19'' Bass Cat. 1985 black max I'm new to this site but, it's AWESOME!! I have a Mercury 200 Black Max Model #1200422GD Serial # OC150739 When I'm running above idle Shop . Max about 180 degrees. This Where is the poppet valve located on a 89 mercury 150hp XR 4 blackmax By chatting and providing I have a 1978 150hp black max. Re: 1986 135 HP Mercury black max Exhaust not pumping water Since you didn't mess with a lot of other things, I wouldn't be off chasing that. (First time Customer: Will running my mercury outboard 150hp xr4 blackmax without the poppet valve stop the over heating at low rpms and will it hurt the motor doing this. Offering discount prices on OEM Mercury Marine parts for over 50 years. 42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi Re: Black Max 150 Water Pressure The water pump connects to the engine at a pipe threaded hole in the center of the block, just aft the flywheel. Mercury Mariner 40-60hp Thermostat - 110 Degrees F. Old plugs were incorrect plugs. shift + alt + c. Poppet Valve Kit OEM. The previous owner chose not to put thermostats in the heads (Duh We replace the poppet valve on 2005 Mercury Pro XS. I noticed that the poppet valve housing is not as I've seen in other motors. you might as well be prepared to replace the assembly. Mercury Black Max: Poppet Valve Installation & Outboard Tell Tale | JustAnswer I need help with accessing the poppet valve for replacement on a 1993 mercury 175 efi. Joined Mar 25, 2004 Messages 27,922. I need to replace the poppet valve. May 2, 2020 by Hunter Jennette. At higher speeds the poppet valve controls the water flow. Hi, I am in need of a poppet valve kit for a 1985 Mercury Black Max 150 V6 I cant seem to find the kit I need. 15 yrs Marine Industry, Mercury Certified, Yamaha 5 star Recognized Customer: trying to locate the poppet valve on a 1993 mercury 200 hp xri efi. It runs perfectly (idle and cruising). 3 mercruiser engine; holley 600 vacuum secondary; 4 hp outboard motor; Ok, took the boat out to my mechanic today, he says compression is good, but the right power head is heating up as much as 20 deg more than the left. 73 (5) Add to Cart. I changed the thermostat, checked the poppet valve, brand new impeller. As to the slightly high reading from IR gun, Unless you have a top-dollar, top I have a 1985 Mercury 150 Black Max that is overheating as soon as you put the power to it. It does this by dumping additional Buy Quicksilver Poppet Valve Kit: Valve Parts - Amazon. Engine: 1982 Mercury 150 Black Max 2004 175 DFI Model 1175D83CY - Serial 0T972330 System Smartcarft ECM The title says it all. Jul 27, 2012 #1 I posted a question about how brand new plugs were oily after a 1 hour ride. I've changed the Impeller replaced the Poppet valve blew out the system. Impeller, Poppet valve, Thermostats. important_devices: Order online, get free downloads* 24-64878 - Spring, Compresion Poppet Valve [ More info] I have a mercury black max 175 I just purchased a week or 2 ago. It has a brand new water pump, thermostats and poppet. Reportedly this is the home of the experts?:) A little about me. 42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance I need help with accessing the poppet valve for I have a mercury black Max 1989 v200. I checked the t-stats and they look good. Water from the tell -tale gets very hot after few minutes running on an ear muffs. This kit contains the Thermostat, Poppet, Carrier, Grommet, Diaphragm, Washer-Plastic, Spring, Screw, & 2 Gaskets. faztbullet Silver Medal Contributor. 803062T1. My factory Mercury Service Manual has nothing on this topic. so, that killed that day. Installed a complete water pump kit and that seemed to fix the problem. They can answer questions for any Mercury outboard motor model or horsepower including Chrysler Outboards, Force Outboards, Mariner Outboards, and Mercury Inboard/Sterndrives. If that horn is still present, SHUT IT DOWN and get it checked. The engine, according to the previous owner, was overheating. W. Diagram of poppet valve assembly. Sold out Share this: Share on 1986 Mercury Black Max 175 overheating New to the forum and some what new to boating. Buy Poppet Valve Kit for Mercury 135-200hp 2. This Chart Is For Reference Only, Since Many Aftermarket Parts Manufacturers DO List Parts By Year A "0" in front of the serial number is not significant, it's a placeholder only for Mercury's software. com FREE DELIVERY possible on eligible purchases. Includes new poppet valve, carrier, grommet, diaphragm, gaskets, spring, screw and washer. The mechanic said the old thermostats and the old poppet valve were constantly open. 803062T1 Poppet Valve/Diaphr Kit Fit for Mercury 135-200hp 2. 2hp four strokes; 2. pasquale1968 New member. When you increase revs and speed the poppet opens and higher volumes are forced through cooling system. After running [the engine], a little [cooling water] is leaking out of the weep hole. Below that speed the stat controls cooling. View Profile View Forum Posts Banned Join Date Apr 2009 Doing a google search for the cylinder head part number mercury 10267261 shows that it is a mid 1980s 200 hp Black Max , at least according to ebay hits. $38. How can I tell if the Poppet Valve is opening and closing properly? I'll show you how I replaced the poppet valve on my 1994 Mercury 135 Blackmax engine I have on my Ranger 330 V bass boat. Motor runs strong just changed poppet valve and spark plugs within the last two weeks. 59. The housing seems Mercury 175 Blackmax Overheating. Somewhere in the 5-9 psi range (generally above 1500 rpms) the poppet starts to open to allow extra water to pass through the channels, and as stated by the time it Mercury Marine v-175 hp relief valve system parts. Oct 31, 2010 #1 Can anyyone tell me if black maxs from the mid 80s had the poppet valve as a single circular plate covering as opposed Mercury & U. (80' V6 Black Max)<br /><br />-The temperature we are talking about is very dependent on what the sensor is measuring, i. Okay so heres the problem. i also have a new impeller, thermostats, and i put a poppet valve kit in. Sign in to check Buy Poppet Valve Kit for Mercury/Mariner/Force 2. all parts new ,water pump,thermo,temp Mercury poppet valve kit mariner v6 ebasicpower larger outboard Mercury poppet valve installation: q&a for 1988 v150 & xr2 black max Mercury poppet valve kit 175-300 hp (serial number needed Hi, This is my first post. While I had the lower unit off I Mercury & Mariner Outboards . May 12, 2020 by Ryan Bibeault. 85' 150 XR-2 New power head with a bad water pump. Answered by Ted G. MarineEngine. When I go fast it cools. US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience. The book states that the poppet is for rpms above 2500 and the purpose is to allow an increased cooling water volume. Checkmate Perry Cadet. NEW Mercury Quicksilver genuine OEM poppet valve kit 803062T 1. Fast shipping - Click here to see live inventory status 200 EFI PRO MAX/SUPER MAG - 0D935000 THRU 0G610079; 200 EFI PRO MAX/SUPER MAG - 0G857000 THRU 0G858150; 175 VERADO (4-STROKE)(4 CYL. i have a good stream of water out the tell tale until high rpms. Mercury 803062T1 Poppet/Diaphragm Kit. I just had the water pump impeller, thermostats, and poppet valve replaced on my 1993 Mercury 150 hp Black Max outboard. Since the new poppet valve the engine is getting hot quick at just over idle. Take it for a. May 20, 2014 Hello, I have a problem also, where as my 150 Black Max, "has now grounded up aluminum inside the cover that goes over the carbs". At idle the thermostats control water flow thru the block, maintaining tempreture. I am in the process of building a 25' Plywood and epoxy skiff. Any help?? Answered by Jason in 2 mins 7 years ago. The manual diagram shows and describes the poppet as being located on the bottom starboard side of the powerhead. Mercury Poppet Valve Kit 175-300 HP (Serial Number Needed for proper fit) S&S Marine Center (2750) 100% positive; Seller's other items Seller's other items; Contact seller; US $65. I had to strip it in a hurry. I need help with accessing the poppet valve for replacement on a 1993 mercury 175 efi. Thermostat Poppet Valve Kit Mercury Mariner Outboard 75692A6 Thermostat Poppet Valve Kit for a Mercury/Mariner/Force Outboard. it still gets hot but im not sure the poppet valve is working correctly. View Profile View Forum Posts Private Message Member Join Date Mar 2012 Location Pelham, GA Posts Poppet valve restoration on a 1994 Mercury 135 Blackmax engine on a boat. JamesHorvath305. 7; used 4. 175HP Black Max Starting Problems the temp guage as it warmed up. jpen123 Seaman. No stream from pee hole at idle, plenty at higher rpm and seems to be running hot at idle, noticed the water tube where water pump slides on was rather wobbley when replaced water pump, could i be losing water at the top of the water tube 1986 Mercury Black Max 175 overheating New to the forum and some what new to boating. Then went out with my family and it did the same thing except the temp gauge Mercury Mariner 35-250hp Fuel Pump Gasket Kit (OSF. Unfortunately the last 8 years it's been snuggled away in my garage and hasn't seen water. Consider it a perfect world- a brand new, complete water pump, a brand new, unrestricted Mercury Poppet valve Kit 803062T1 - JML. Just what I needed to fix the problem ! Great communication, Quick shipping And fair price ! I have already ordered again and will keep on doing so ! Re: Mercury 1988 175 hp Black Max overheating. Black Max 150 ahhh water pumps, first tell tale of low output is the time it takes to pee, should be replaced every year or 100 hours whichever comes first, why, cupping and wear, some people do others dont, the ones who dont you read about in the powerhead failure sections, if you dont know when it was done when you I have a 1989 Mercury Black Max 175 hp V6 - Serial Number 0B383305. 4 2. net 1986 Mercury Black Max 175 overheating New to the forum and some what new to boating. Our cover replaces all OEM bottom-side-of-block outlet plates (both 2-bolt and 4-bolt models). Thread starter oxnut85; Start date Jul 27, 2012; O. A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). There are different styles on different years of Merc V6 motors. $89. You can search by engine model or serial number to see detailed engine diagrams and part numbers. poppet valve? restriction in the cooling system? only takes 30 seconds running out of water to destroy impeller installed yesterday. It won''t get on plane and seems to idle at lower rpms than. water comes ot of pisser good at idle and low rpm's bit the start's to fade a lil when I’m looking to repair/replace the Poppet Valve assembly on my 1989 Mercury Black Max 175 hp V6. Link would also be nice if you can. be/8I8SQ_mHzPYshorts playlist: https://youtu Poppet Valve Kit replaces MerCruiser part # 803062T1. 803062T1 Poppet Valve Kit compatible with Mercury 135-150-175-200HP 2. Mariner Poppet Valve Kits: Model: Type: Poppet Kit: 70 - 125 HP: 3 & 4 Cyl. This is a non-OEM part no. First, for the purpose of this exercise, let's say we have 3. I'm looking for suggestions on how I need to retrieve the grommet? Thanks This post is in reponse to many others where questions of water pressure have been raised, especially people claiming their water pressure is 30 psi. This might explain why my engine temperature would be 130 degrees when I was idling off plane and 170 degrees when I was on plane. I removed it from the motor, disassembled it, and replaced all the soft parts including the diaphragm with new Merc parts ordered per the Merc parts diagrams for my serial number. Usually encountered on a block that 1991 Mercury 150 Blackmax Poppet Valve. </p> I decided to install a new poppet valve kit on my 150 Merc Black Max. Buy the parts, then do your inspection. Kit Contains: 700-13805 Carrier; Mercury/Mariner/Force 135, 1986-88 Made in USA, Serial Range: 0A904646 and Up: Mercury/Mariner/Force 175, 1989-90 Made in USA, Serial Range: 0C100861 and Up: Mercury/Mariner/Force 200, Engine: mercury 200hp black max Repair difficulty: Medium Repair time: 1 to 2 hours Repair symptoms: overheating Repair story: Replaced thermostats, pressure relief valve (poppet), and water pump. Captain Nick. stclarl_98 Recruit. Cowling has fresh paint in 2013. 2 x Water Separator Fuel Filter Clear Bowl with Dr. Boat out of commission since Hurricane Katrina in 2005(dealing with 2 flooded houses. Joined Jul 25, 2010 Messages 69. I am still not sure about the location of the poppet grommet i put it inside the carrier that is were i think it goes that is not were i I need help with accessing the poppet valve for replacement on a 1993 mercury 175 efi. C. Gas and diesel marine mechanic. The boat had experienced the problem when I first started running the seafoam through it. Quantity. Water from the tell -tale gets very hot after Mercury opti max 1999 135 overheating thermostats opening poppet valve opening but still overheating no poppet valve We have a 1986 mercury xr2 black max 150, and its running hot, 6. 1990 model and it runs great but I am having a heating issue. Please help 1987 blackmax 200hp overheating time before i got and the carb's need to be redone i think cause it run's a lil ruff on idle and i haven't changed the poppet valve yet either. com FREE DELIVERY possible on eligible purchases Serial Range: 0A904646 and Up; For Mercury/Mariner/Force 175, 1989-90, Serial Range: 0C100861 and Up; For Mercury Black Max 175 V6 - Poppet Valve Question _____ Phil '09 Hewescraft ProV '09 150 Optimax. Engine will not warm up at idle. Find the right parts to fit your Mercury® or MerCruiser® engine with the online Mercury Parts Catalog. e. Here's the scoop. ACCESSORIES BLEED SYSTEM BOTTOM COWL CRANKSHAFT, PISTONS AND CONNECTING RODS CYLINDER BLOCK AND END CAPS Customer: We have a 1986 mercury xr2 black max 150, Next if the water pump is pumping good now then we need to work on the poppet valve. S. Advanced technical diploma. Shop by category. SKU: JM-13810: Brand: JML: Shipping Weight: 0. So at idle they are closed and the t-stat controls all the cooling. Bought the boat from an auction in Norfolk Va. Main Menu. Low speed relies on impeller and tstats. Is it spring loaded valve on lower starboard part of block. OEM parts, cleaned everything, looked for rust or anything that could cause bad seating of the diaphragm. I'm spending a small fortune doing all the maintenance items so I can get the cobwebs blown off and back in the water again and I remembered that when I first bought it the one thing I never did was the poppet valve. today I dropped the lower unit, thinking I might have to rebuild the water pump. Poppet Valve Kit for Mercury/Mariner/Force V6 135-200hp, XR-4, XR-6 Magnum II, Magnum III Replace OEM 8030-1 803062T1 AliExpress , 175 Black Max Outboard Stroke Motor for Sale in Fresno, CA OfferUp , OUTBOARD OVERHEATS WHILE PEEING POPPET VALVE FAILURE! It comes off the fitting at the top rear of the engine and runs down to the poppet valve. Water is still cold here. It results in the poppet valve and seat moving together and maintaining the passage blocked instead of the valve backing out of the seat allowing water flow,causing overheat AND high pressure. 5L V6 803062T1. I have a mercury black Max 1989 v200. Now I’m having an issue with water coming out the weep hole on the poppet valve The poppet valve--a name which really just describes the shape of the valve and not the fact that it is associated with a pressure controlled response in the cooling system--is usually arranged so that when the pressure rises the valve opens and permits greater flow of cooling water. First, I have read all the threads related to overheating issues for black max engines seems like others might have had a similar issue but no solution was ever posted - hate that Second, here is what I know. Joined Sep 17, 2018 Messages 9. 5L V6, for Magnum II Magnum III XR4 XR6 V135 V150 V175 V200 Re: 82 mercury 150. the. It will fit the following applications: 35HP (1984 -1989) s/n # 6445653 & up. com FREE DELIVERY possible on eligible purchases Serial Range: 0A904646 and Up; For Mercury/Mariner/Force 175, 1989-90, Serial Range: 0C100861 and Up; For Hello! I'm new to boating and bought myself a sea ray 180 cb with a 1989 Mercury 150 Black max. After identifying the parts you need, contact your Mercury Authorized Dealer for assistance or to place an order. Joined Jul 17, 2004 Messages 54. My Account & Order Status. Could it I’m looking to repair/replace the Poppet Valve assembly on my 1989 Mercury Black Max 175 hp V6. Results 1 to 7 of 7 Thread Tools. Does a 30 hp 4stroke Mercury have a poppet valve if so where is it, Get hot usually on the way back from fishing, Have. The motor was just complete apart (except for splitting the block and pulling the crank). Thread starter baja32; Start . Poppet Valve 83 150 Black Max. There could be a number of reasons for overheating. Should I replace the temp gauge also . Add to Cart. There may be a plug in that hole, or there may be a line going down to the poppet valve from that hole. The poppet valve is leaking from the pressure release hole (or whatever you want to call it it is not a weeping hole). baja32 Seaman. She is flushed after every use. 88 200 Black Max Poppet valve. guys does water have to flow through the poppet valve. BAB Boater’s Program! Check out the Boater's Program brought to you by Born Again Boating! Whether it is your first boat or your 30th boat, there are skills that you can learn with the Boater's Program. I can run it up to 35MPH or faster and it cools right down. 0500kg: Shipping Width: 0. Mar 8, 2009 #1 i noticed at the base of the engine there is what looks to me like some other type of tstat housing is that the poppet valve it has alot of salt creep on the bolts and i'm trying my best to figure this out. Find Poppet Relief Valve Compression Spring (Black) - 64878 here. I removed the poppet valve and while removing the rubber grommet behind the valve it dropped into the passage. 0L Merc an Optimax (although EFI/CARB results are similar). it seems like i have seen this on race motors. After doing a bit of work adjusting the timing, we finally took it out on the water yesterday. i have good strong flow coming out of top of block. 42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance Topic: Mercury OptiMax Poppet Valve: ukuslayer: posted 05-16-2012 10:23 PM ET (US) On my 1999 Mercury OptiMax 225-HP engine I replaced the poppet valve diaphragm and the gaskets. Fits: V‑6 outboard models. Any thoughts, not sure if need to take heads off and check water passages. Checked with garden hose and We have a 1986 mercury xr2 black max 150, and its running hot, Jeff G. i think i found it behind the control blocks but not sure - is that the correct place Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. 1991 Blackmax 150 Poppet Valve. Lets talk about the cooling system, operating temp, and temp sensors/switches. Is this correct? If Hi all, I've owned this black max "V1750" for over 10 years now. I have a parts diagram/list from my parts supplier but that’s all. If I go beyond that it will hit 200deg at WOT. My engine s/n is A138750. Jan 29, 2008 #1 Is there any way possible to get a diagram of the poppet valve for a 1993 merc 150 xr6? Diagram of poppet valve assembly Customer: I have a 1995 Mercury Black Max 175 hp outboard that is overheating at lower speeds. 150 black max overheats at high RPM #1 I am looking for some professional advice. Some guys over at THT suggested I post questions over here on my Black Max 175 Merc. Generally the pressure in the cooling system increases with increasing engine speed. Could use some help. Repair difficulty: Easy Repair time: 30 to 60 mins Repair symptoms: Impeller and poppet valve . I replaced the water pump but the old one looked good. Repair difficulty: Easy Repair time: Less than 30 mins Engine: Mercury Black Max 175 hp (1989) Shopping Replaced poppet valve with a mercury kit leaking stream of water coming out weep hole. rating required name email required. 5L overheating and the responses have been great. 200 1984-88 USA 6435503 And Up. 1 5 5. See the full video here:https://youtu. Home. If 1990 Mercury 175 Black Max won't pee right. I had it out for the first time today. The cycling you see in the water pressure gauge is due to the function of the Poppet Valve (it's opening and closing, as it was designed to do). Verify good clean spark on all six cylinders. shift + alt + h. I've found a hose in the engine I have a 1992 Mercury 150 HP Black Max, just replaced water pump housing, base and impeller (complete kit) and also poppet valve kit. Mercury Black Max 150 over heating! little help please Mercury Mariner Outboard Forum . Example: My motor had a clogged poppit valve (dang sand dunes!). 1978 Mercury Black Max 150 Does anyone know what the proper routing is on the water distribution hoses that come off of the thermostats on this type of motor? Currently, the hoses run from the thermostats down to the poppet valve on the bottom starport side of the block. Jul 21, 2004 #1 Can the poppet valve get stuck for having sand sucked up in motor and cause an overheat alarm at wot? poppet valve on 91 175 efi/xri 1987 200hp Blackmax question? What’s up with the weep hole on the poppet valve? I git a bit of water out of it @1500rpm. 0 2. $35. Skip to; Main content; Keyboard shortcuts Search. I've followed just about all the suggestions and still am running into an overheating issue. Never replaced to my knowledge. Thread starter 88 200 Black Max Poppet valve. 0L, 2. Luckily installing the motor and all the controls to my boat has gone pretty smooth so Buy 803062T1 Poppet Valve Kit Fit for Mercury 135-200hp 2. Will replace stats and poppet valves. Water passages looked very clean. This is the list of parts but I cant find it in any of these. poppet valve 1977 1986 Mercury Black Max 175 overheating New to the forum and some what new to boating. It does not connect to the thermostat plumbing in any way. in 12 gallons of fuel and took it out to the lake with a spare set up plugs (just in case). I originally had no water from my tell poppet valve 1977 V6-175 HP serial 4733877 I bought a Merc Poppet kit # 8030 but the diaphragm & poppet valve were Go. Take a few part numbers that you see, and google them to narrow down your Poppet Valve Kit replaces MerCruiser part # 803062T1. review General Q & A - Staking a Mercury poppet valve grommet - I screwed up and pulled the grommet out on my old 175 blackmax Merc. Thread starter Randy99; Start date Oct 8, 2018; Randy99 Cadet. Re: Water pump Flow on Merc. . Poppet Valve Kit Fits: Mercury, Mariner 135-200hp 2. Idle psi was ok. 5L V6 R, Replacement for Mariner XR4 XR6 Magnum II Magnum III V175 V200 series, Replace 803062T1: Valve Parts - Amazon. Nova Kaw 650. after dropping the lower unit, I put a I stripped the motor (1985 Mercury blackmax 150) gauges, and controls from an '85 skeeter back in November. So if your serial number is "0 1234567" you would use only the "1234567" part of it when looking at the chart Mercury & Mariner Outboards . 2012. I have an 1989 or so 150 mercury. From first time boat owners that want to learn Anyone know where I can order one online? Any info you can help with would be great. Any help much appreciated. We precision CNC-machine high-quality 6061 billet aluminum and finish with hard-wearing black anodizing on each poppet cover. Thread starter baja32; Start date Oct 31, 2010; B. 0L 2. Took poppet valve out, look OK and that PO recently replaced it. I rebuilt the poppet valve on my engine 6 months ago using the widely available rebuild kit, The poppet valve is a pressure control valve, affecting the water volume in the engine (a given volume with the t-stat open, and another with the t-stat closed). the previous owner said motor always ran great but the temp gauge - Answered by a verified Marine Mechanic Thanks Jeff, ok replaced water pump last week when I got the boat. You shoud do all above AT LEAST,before trying to really get going. 1988 mercury XR4 150 hp black max took it out saturday and altho it ran great, very little water flowing out of the tell tale hole. View Profile View Forum Posts Private Message Visit Homepage Mercury 3L/4 Stroke/Verado Moderator. Thread starter jpen123; Start date Jul 21, 2004; J. The water pressure in the block is regulated by the poppet valve and should this be leaking you will lose water pressure especially at idle / low rpm hence rising Includes new poppet valve, carrier, grommet, diaphragm, gaskets, spring, screw and washer. Mercury Poppet Valve Kit SKU MER803062T1. I’ve replaced entire water pump, both thermostats, and the poppet valve assembly. 26. Engine: Mercury 1986 mercury 150 black max xr2 ,gauge says running hotHave a black max mercury 150 xr2 s/n 0b129429 on a 1987 skeeter starfire 150 bass boat. I replaced EVERYTHING. $59. Inline Motors: MTM8031: 75 - 115 DFI 80 JET DFI: 3 Cyl. Skip to main content. Mechanic's Assistant: I have a mercury black Max 1989 v200. It creates a sort of air pocket check valve. 5L V6 135-200hp, XR-4, XR-6 Magnum II, Magnum III Replace OEM 8030-1 803062T1: Valve Parts - Amazon. My temp alarm goes off at high speeds and my motor is hot. plus at high speeds it got real hot, slowed down and it cooled off some what. We offer the largest selection of old stock, Quicksilver original parts and quality discount aftermarket parts by Sierra Marine, Mallory Marine, and CDI Electronics. I replaced my stator, trigger, thermostats, poppet valve and new, CORRECT spark plugs. It will idle at 145 degrees all day but as soon as you raise the RPM's it gets hot and the alarm goes off. New. Plans are based off the Great Alaskan/Tolman Skiff. New thermostats were installed. Oct 8, 2018 #1 I recently purchased a ranger bass boat and am trying to learn all the things about the merc Mercury having issues with overheating. wired247 Lieutenant Customer: i have a 1978 150hp black max. Engine was overheating and the valve would pop off when it got too hot (spray water through the weep hole). What purpose is the poppet valve? My motor runs fine for short distance. During a test this morning I noticed there was some water leakage from I recently bought a bass boat (1987 Procraft 1780) with a Mercury Black Max 150 XR2. Buy a genuine Mercury Quicksilver or aftermarket part. Symptoms: Alarm was a solid beep which means overheating. Thread starter 93procraft; Start date Jan 29, 2008; 9. 5,192 Satisfied Customers. i have to stake a new one in the block (after I pull the damn cowl off). 83. Find Poppet Valve Assembly - 8M0114707 here. I took [the poppet valve] apart, reassembled three times, and now cannot get that Just bought a boat with a Mercury Black Max 150. Black max is not spitting water out of the pee hole at idle Poppet valve allows addiitonal cooling at higher RPM. I have a 96 Merc 135 and am told I can turn it into a 175 what. flat $4. com FREE DELIVERY possible on 1986 Mercury Black Max 175 overheating New to the forum and some what new to boating. Put in 12oz. If you find the poppet valve is OK, you can always return the parts- less the cover gasket, of course. Actually had the temp alarm Re: Mercury V6 Poppet valve Replacement Could someone expand on the poppet valve replacement? My engine is 1996 150 Merc Offshore on a 21' WA cuddy. Condition: New New. Now there is water continuously spraying from the weep hole the instant I start it. I didn't have alot of black smoke. It should weigh in at about 2000lb when completed and outfitted and Mercury & Mariner Outboards . water temps or metal temps. Thread starter Ballplayerz002; Start date Jul 11, 2017; B. Thread starter pasquale1968; Start date Mar 8, 2009; P. Recently purchased boat and gauge says motor is running hot if you run it above 4500 rpm. can someone please help with this. Is that gauge checking water temp or just Topic: Poppet valve kit replacement on Mercury: picflight: posted 06-24-2014 12:01 PM ET (US) 1998 Mercury 150 EFI 2. i could have installed the valve wrong not sure Find many great new & used options and get the best deals for Mercury 175 200 225 250 300 hp Outboard Poppet Valve Assy 65663C2 Optimax DFI G3 at the best online prices at eBay! Free shipping for many products! mercury black max 150 hp parts; mercruiser flywheel 5. Availability : 2 in stock Re: Mercury Black Max 150 wont cool motor The POPPET VALVE is a device in the cooling system which opens or closes in response to the pressure in the water cooling system. He thinks is the poppet valve, or thermostat. At first it was running great, and we were cruising around getting to know the boat as well as the lake. Hello all! First time post here! I've read a number of issues here with Mercury Black Max 2. So far, I've replace the water pump, poppet valve, thermostats and done an engine flush with SaltAway. If it's above 15psi while running on plane, you should be fine. Hi, I am in need of a poppet valve for a 1985 Mercury Black Max 150 V6 I cant seem to find the kit I need. black max poppet valve. Mercury Mariner Outboard Forum . alt + / Cart. bmatlock01 Is there a sign that the poppet valve is not in place other than removing the housing? change the plugs after every 2 or 3 tanks of gas it is very sluggish to get on plane and only turns about 4000 rpms max. I have replaced the thermostats which were completely seized closed and changed the impeller assembly. Mercury Mariner 75-150hp Thermostat - 120 Degrees . Thread starter bmatlock01; Start date Jan 22, 2015; B. ) - 0P419487 THRU 0P464487; 175 VERADO (4-STROKE)(4 About this item . Call for application. Any tips? Yup, a bad poppet valve could cause it. 1993 200hp Mercury poppet valve leaking thru weep hole. V6 2 Stroke Mercury Poppet valve Kit 803062T1 Replacement Sold out Original price $55. Jul 11, 2017 #1 My Mercury just won't pee right. Motor is currently on boat in water, ready for wet test. 95. oxnut85 New member. Below 3500 rpm motor is at 160 temp, if you go above 4000-5000 rpm gauge quickly climbs to 240 temp, slow motor to idle and drops back to My understanding of a poppet valve is that when the water pressure reaches a certain point, the poppet valve opens and allows excess pressure to vent through the hose that goes to the top of the block. 5L Kit w/Thermostat: 8032Carb: Many V6 1986 & Newer: New Design, Cover looks like this: 8030: Early V6 through 1985: Early Design, Single Mercury Mariner Outboard Forum . Thread starter Checkmate Perry; Start date Nov 17, 2009; C. 5L V6 Off-Shore. Serial Number 0B383305. could i take the hose off at the valve and let it exit through the cowling. It won't pee when I start it. Brand Mercury. I took it out with a friend of mine to check the overall running and operation of the boat. Joined Dec 17, 2007 Messages 10. It does not cool down after it gets hot. Never replaced to my knowledge Per the title I have a 2001 Merc XR6 and just finished rebuilding the poppet valve assembly. what is the purpose once water leaves the top of block. Fits the V-6 outboard models. 60. Genuine OEM Mercury-Mercruiser part. Charles. I have a 2000 Mercury 175 EFI on a bassboat fished only Mercury & Mariner Outboards . Degree in Marine Technology. . The temperature sensor on mine (and I think most V6 Black Max's) is longer, touches no water, and measures Update i was able to stop the water coming out of the weep hole i used silicone sealant around the diaphragm outer edge,my take on it is i think the outer housing gasket that comes with this kit is a little to thick and not able to seal around the diaphragm. Contact Us. This fits 135, 150, 175 & 200HP 2. in 9 mins 2 years ago Buy MERCURY OEM CHECK VALVE 8189941 - 8189941 FREE Shipping on qualified orders - Boats. Go. Mercury & Mariner Outboards . 5L V6 ; 8030-1 Poppet Valve Kit Fit for Mercury/Mariner/Force: V135 1986-1988 #0A904646 & up, V150 1986-1988 #0A904646 & up, XR4 1991 #0C239553-0D081999, Magnum II 1991 #0C239553-0D081999, XR6 1992-1998 #0D082000 & up, Magnum III 1992-1998 1986 Mercury Black Max 175 overheating New to the forum and some what new to boating. Joined Aug 18, 2016 Messages 3. Choose from HUNDREDS of super easy to follow and understand courses to take at your own pace, or on a structured learning plan. Enter your search keyword. Ask the experts on our Mercury Outboard Parts Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. 5hp four strokes; 4hp four strokes; 175 & 200l-4 hp engines; kits for 200, 225, 250, 275 & 300hp engines; valve, poppet assembly 8m0070213. 050m: Shipping Height NOTE: Mercury DOES NOT Use Model Years For Parts Lookup. Boat Engine Parts here is a link to a parts schematic 1977 Mercury Marine Mercury Outboard 1175647 Relief Valve System Diagram and Parts . My Garage 0 My cart. That would eliminate A LOT of possible causes and get you on the right track for a good time on the Engine: Mercury XR6 Shopping experience: Parts were ok Delivery the problem I ordered August 17-2023 and still do not have all my parts and cannot tell when they will ship Repair difficulty: Hard Repair time: More than 4 hours Repair symptoms: Over heating Repair story: Install pop it valve all new parts Two new thermostat’s Rebuild water pump using my accumulated parts Still Re: Mercury 89' 175 black max always running warm My belief is that these engines do run hot at low RPM but should not go into ther red on the temp guage. Re: Mercury Black Max 150 XR2 Running Rough! The SeaFoam seem to clear up my problem. Mercury Parts Inventory. Join Date Apr The poppet valve actually opens and freeflows water thru the engine in a sense bypassing the thermostats, correct? At what pressure should it open and how much should the pressure drop? Gambler 2200 / PRoCraft 180 / Roughneck Jet / Mercury 250XB, 175 / Evinrude 50. But keep in mind it's going to be around 5psi at idle, so 3 isn't THAT bad. SHOP LOGIN; CREATE AN ACCOUNT I don't think your motor will cool right w/o the thermostats and poppet valve in place and working right. Application: V-135 Carb - s/n 0A904646 and up; V-135 DFI - s/n 0G590000 - 0G960499; V-150 Carb - s/n 0A904646 and up; V-150 EFI - s/n 0T409000 and up 1986 mercury black max 200 poppet valve question hi, i bought a replacement kit to change out my poppet valve and gaskets but it seems that my cover is different than the gasket set and from the videos ive seen it's almost as if someone cut off the part that has the valve that connects to the water line off. Thread: 89 mercury 150 xr4 black max issues. It's supposed to help get air out of the block but if its cracked it will suck air in and often doesn't leak water or steam out. My old 1985 motor does not appear to have a hose coming out of a removable housing other than the thermostats (which have been recently changed), so I am wondering I have a 1989 Mercury Black Max 175 hp V6 - Serial Number 0B383305. The pee pressure was a little weak, but wasn't too bad. Did all that and still will pee in spurts as shown in the video. Have since replaced a few things(t-stats,poppet valve,etc)as precautions. How can I tell if the Poppet Valve is opening and closing properly? Mercury Black Max 175 V6 - Poppet Valve Question; Thread: Mercury Black Max 175 V6 - I have a 2009 Optimax 150 that I have had trouble with overheating. Slightly regretting the V6 after only having it for 1 year. mercury four strokes. 88. Kit Contains: 700-13805 Carrier; Mercury/Mariner/Force 135, 1986-88 Made in USA, Serial Range: 0A904646 and Up: Mercury/Mariner/Force 175, 1989-90 Made in USA, Serial Range: 0C100861 and Up: Mercury/Mariner/Force 200, Re: Mercury BlackMax 150 overheating at idle You replaced it or shop mechanic? I had the same problem with high temps at low speed and idle. I have a 1978 150hp black max. gnis wmnjs zelavoe srf qctcpsd silgz zemx scitb wrgn hbtdwvlx