Boat motor idles high. Thread starter Bonstrosity; Start date May 8, 2017; B.

Boat motor idles high It would start for about 10 seconds and then cut off. Put it in gear and idle out of the marina no problem. VST pump inlet filter. Joined Feb 26, 2018 Messages 13. In neutral and out of gear the idle is about 900-1000 and it idles solidly, that is, no sputtering, shaking motor, etc. Engine starts and idles perfectly. Goosing the motor does not reduce fast idle. This motor has me stumped. Read more. Clean or replace the filters, and also drain any water from the fuel/water separator if you have one. High-Performance Polishing for Boat Decks, Chrome, Stainless Steel, Aluminum and Non-Ferrous Metals, 3-1/8" Edge Length, 5-Pack - 63723032010 Onkata-40%. I have been yelled at several time now. Engine started fine, revs fine in neutral but once over 3000 revs in gear loses power under load. I just recently got the boat. Apr 9, 2007 #2 "What is the model number of t "What is the model number of Remember, for I/O boat owners, vent the engine box before you restart the engine. In gear at "idle" the rpms drop to 750-800 and the motor idles well. I have a Mariner 90 HP, oil injected outboard, I believe it is a 1988. Symptoms: Start engine ? idles normal (600 RPM). ampman43 New member. Once all the fuel lines are connected, start the engine and let it run for several minutes. Most manuals come with a Actually, on this unique engine (with the carb sitting atop the exhaust manifold!) it's a really good idea to let it idle for a few minutes after a hard run and even pull the doghouse open after shutdown. Inspect all the Carburetor Issues Cause Boat Motors to Stall in Idle. Coils. The most likely cause of your outboard When your outboard motor is experiencing idling issues, it can lead to frustration and potential performance problems. 4th time out was in shallow water at the boat ramp prop bottomed out and engine stalled. Join the Forum did compression test (60-62 in both cylinders). They are supposed to help eliminate the dead spot from idle to advance throttle. Motor doesn't sputter or quit just surges and idles down at high rpms under load. Condensers. BOAT FOR SALE :facepalm: I put the new MAP sensor in (ACDelco 12569240) and brought the engine up to temperature. Thread starter ampman43; Start date Aug 9, 2011; A. USCG High Pressure Hydraulic Oil Lines; SMX Silicone 90° and 45° Hoses; Engine Components. Solution: Reinstall the right spark engine properly. " Engine is 1986 model mercruiser MIE 340 big block with quadrajet carb. But as soon as I When you load a boat down with weight, it naturally sits lower in the water. Its a 16' bass boat with 1990 johnson 70 hp outboard. Not sure what it runs in gear since it shuts off. After 20-30 minutes of use ? shift to neutral and idles high (1200 RPM). Once past 1000 RPM engine You may also visit the Boat Motor Manuals section of our site to obtain a service manual. The spark engine you are currently My 1966 Evinrude idles way to high. main menu. Nothing. New to boating. Here is my MEFI-1 data. Join the Forum Register . IDLE REVES UP REALLY HIGH ON STARTING OR SHIFTING FROM GEAR TO NEUTRAL THEN DROPS TO LOW IDLE AND I have a 2002 or so 50HP 2 stroke motor, basically it looks like new and I know it was not abused. Customer: 2001 Mercury Degree in Marine Technology. I cleaned and reinstalled the raves. In this blog post, we will provide you with a troubleshooting guide to diagnose and resolve common One common issue faced by boat owners is when the boat motor idles but won’t accelerate. I have cleaned the carbs and disconnected the throttle linkage to make sure the butterflies are closing 2001 Mercury Optimax 150hp idles high at start, then revs up much higher on own. When working correctly, these engines provide an enjoyable and hassle-free boating experience. Normal cruising around on the bay and drop back to idle no problem. Outboard motor designs vary depending on make and model, but all operate on similar principles. Boat owners who have been using a 2 stroke outboard engine might sometimes experience a power loss when running their boats at full throttle. Linkage seems to hang. I decided to give it more gas by pushing on the throttle. It seems to run fine in gear and I was able to easily get the boat back up to top speed once out of the canal. Let’s take a deeper look at reasons why your boat motor might die when put in gear: The Boating/Engine - Information/Questions - Trouble Shooting - Quick Fixes; Went out Sunday and didn't even make it out of the harbour. The purpose of these is to act similar to the accelerator pump found on 4 stroke carbs. I closed the throttle, the motor was dieseling and when I hit the key to shut it off it continued to "run". Gas and diesel marine mechanic. I ran the engine again today and double checked the timing and RPM. 3 engine thunderbolt V Alpha with two barrel carb: IDLE is fine, high RPM is fine However, when throttling up from idle, the motor hesitates, bogs down and a lot of times the engine dies. Went through all the usual maintenance for a new-to-me motor - new fuel lines, cleaned the carbs, etc. Carbies synched and idle set to 950rpm when warmed up on the hose. T 60km @ 4700Rpm. It revs fine while in neutral, and idles fine in gear. While looking at the parts on boats. After trying that for about 6-8 times. I have a 1986 140hp mercruiser and boat was working fine but now it will shift into gear and push the boat at idle but when you throttle up the engine revs but the boat goes no faster. An engine is meant to See more One of the first signs that the powerhead isn’t getting enough air or fuel is when the motor stalls, particularly when idling. With that many hours that is the first 2 places I would check after engine condition. If I drive it again, it may or may not again idle at 1200 RPMs when I place it back If this spark plug is damaged and fails to provide the spark, the engine won’t work correctly. Re: Volvo Penta intermittently idles too high I have the same problem. Motor running OK, but then killed a couple of times at or just above idle. I would rather have them around 750 give or take, maybe a bit less even. Any time that I give it throttle, it shuts off. Then the motor starts surging and idling down to idle. Mechanic's Assistant chat. It does not do it all the time, and it is not just when the motor is cold or hot. At 1K you may be slamming them into gear and eventually doing damage to the transmissions. I made it home and now looking for the causes. was the motor initially from the factory supposed to start cold without throttle? my previous boat did not have the option of advancing the throttle without putting it in gear. My Mercury outboard was bogging and stalling at almost full throttle after about 10 mins of runnin Yes, the idle mixture screw works quite well, it will kill the motor if I go too rich or too lean. It started this crazy idling/stalling issue just ---coincidentally after i topped the boat tank off with gasoline. - flywheel torqued at 40 - both cylinders have spark - replaced thermostat/thermostat gasket Current Re: Yamaha F115 (2002) idles way too fast; high rpms Sounds like you need to have a properly trained shop check the throttle vacuum with a Vacuumate or equivalent. Recently purchased boat, had it out on the water 3 times (Salt water ) each time out was seeing @ W. -- Whew what a boatload of boats going thru the Locks. It’s very rare for too much fuel into an engine’s cylinder to cause a high idle. The motor idles too high to even attempt putting it into forward or reverse Model 1117F531D 2B675388 2019 ProXS 115 4stroke 1st time out for the year. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. 9 ESHQ 2 stroke As stated, the motor screams neutral. So- I came home, and hooked up my little 3 gal tank- with new premium gas- same thing. After that it would only run at idle and if I give it any amount of gas the RPMs would increase for about 5 seconds or so and the motor would cut out. I am having problems. I have some basic mechanical knowledge and assumed that based on the high idle and loud airy sound I probably had a air/fuel issue or busted vaccume Line. I set it halfway between those two and it idles well. No help. After an inspection, I restarted the motor it fired right up; we went on our way. I even took it apart again today to see if something obvious was going on and nothing. Under normal operation, the water pump draws water into the The motor turns over and idles fine. I've tried to adjust the idle screw all the way down but it still seems to idle at 3-4000 rpm which i checked out by the automotive gauge that Boats; Diagnosing High-RPM Power Loss; May 2017 Diagnosing High-RPM Power Loss By Chris Mapp. As a result, the boat won’t idle at all. It was suggested that I clean the carb. joereeves Gold Medal Contributor. mercury 200 20hp high rev know speed Not rated yet I had my boat motor running at full speed, high idle on a mercury 225 offshore Not rated yet boat overheated i changed thermostats and impeller now boat idles high and crunches when trying to put in gear also changed water temp sensor and new gaskets Motor: 1996 150hp Mercury Offshore What the boat is doing: Cranks up no problem. Does anyone have any ideas on where to start investagating this problem? Boat losing power at higher RPM I have the same engine and was having similar problems a month or so ago. We’ll start with the most likely suspect for your boat throttle problems: fuel flow woes. Started boat and went up river, noticed a slight vibration coming thru the floor and interference on the fish finder screen. give the motor time to catch up and adjust. Set the idle with the motor in the water. Once disassembled, clean all the parts with a carburetor cleaner. The washer, bolt, and cam were fine. Pumps plenty of water. Will run great, however if i shut engine down it winter start for half an hour or so Mechanic's Assistant: Sometimes boat issues seem like they'll be really complicated, but end up being easy to fix. Any advice is greatly appreciated. F350TXR, 2014 Not rated yet Hi everybody, I bought my boat en Cartagena de Indias with 2 used 350HP Yamahas with 900 hours. However, you can try to clean a fouled spark plug by using a piece of cloth to remove most of the buildup. turn it in slowly until it starts to bog and misfire. I just recently pulled and cleaned the carbs and replaced the fuel pump and all fuel lines. After a good run at WOT (about 10 mins at 5500rpm) and drop back to idle and now it's idling fast at around 1500rpm. YAHAMA OUTBOARD ENGINE SURGES WHILE RUNNING. then, turn it counter clockwise and allow it to catch up. I played with the settings and in gear I could get it down to 600-650 but the motor ran poorly and stopped a few times. It's like having a new motor. Anyone have a clue on When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. 1992 - Yami 9. I have checked the linkage, the timing and the idle As the engine speed goes up, small weights and springs advance the timing up to 17° before top dead center (BTDC)again, if I understand it correctly. A few seconds after planing, though, the engine bogs down and surges. Coming out of Marina, when I get out of no wake zone and give it some throttle, it gets up on plane no problem and runs great. It starts okay, and idles a little low but okay when warmed up. If the RPMS are higher than the WOT rating when you have the throttle wide open, the prop is Re: 2005 90 HP Yamaha 4 stroke idles rough and won't accelerate Maybe start by draining each carb onto clean white rag just to get an idea about water or debris in float chambers, also check fuel filter on motor for water or debris. I can also plane out with full throttle for a few seconds. If I pull the choke half way out, it settles down fine and goes into gear. However, your assessment of adjusting the timing is correct. There is back pressure on the motor exhaust when submerged underwater; this restricts the airflow through the motor and causes it to idle slower than on land. The engine is having to work harder to push the water out of the drive and Y-pipe. It was a high enough idle to where it made the motor shift hard. I small puff of smoke will come from the area of the carb. Consult your owner's manual to check items that may be unique to your motor. The Collar is the only thing that needed to be replaced $3. I realize that is quite high. I have a 1987 Suzuki DT140. You need to isolate the leak, and seal it. Done compression test 125 both cylinders,new plugs,cleaned carbies with lots of help from here. Re: Johnson 1990 GT200 Idles high Thanks for the quick response Ezeke. New spark plugs and wires. And it Hi I am new to this forum but I have been observing on here for about 6 months. water in the bilge, or hull damage (such as fouling or growth on the bottom) can increase drag and reduce the boat’s Engine had been running strong with no issues, good temp, oil pressure, and fuel. I placed an ohm meter across all five idle switch positions and got the following readings from low to high (open circuit, 20 ohms, 6 ohms, 2 ohms, 0 ohms). We have replaced all fuel lines and fittings all the way back to the tank. The Engine started right up but then when I brought it back to Idle, the RPMs never came down and the engine was running at about "After installing new fuel pum "After installing new fuel pump, motor idles up to about 3000rpms and surges down to 2800 and then goes back up to 3000. Shop was out of Quickleen. Fresh gas, with Stabil and Yamalube Ring Free cocktail. Cleaned points. 1987 Yamaha 40 HP Idles Too High. Issue number 1: Ever since I got the boat, it randomly cuts out at high speed. . I just put my boat in the water this weekend and it has a mercruiser 170 that was rebuilt last year. After giving it a little throttle up to about 1500 rpm throttle back down and idle stays up at If your boat motor idles but won’t accelerate, it can be tricky to solve until you know what’s specifically causing it. Increase to about 3900 RPM's and all good and smooth for a mile BOAT FOR SALE . The QuickStart feature seems to be working correctly, meaning it comes ON for a minute or two when the motor is first cranked cold & then for 5-7 seconds after each warm start & goes back OFF again. This process can be frustrating and potentially dangerous if you are out on the water. The spark engine you are currently the motor idles to high and the boat springs out when it starts How can i bring the idle down without it stalling ? Reply. Once thru, ran at about 7 knots for about 3/4 mile leaving Locks- all good. Idles no problem. It idles so high that it bangs into gear when I put it in forward or reverse. Motor turns but wouldn't fire. Since then, some done as routine maintenance/some to fix Eventually, your engine will lose power and quit on you. Now it idles anywhere from 1200-1500 rpm on the muffs and no difference I also replaced all fuel lines to ensure I didn't have a cracked fuel hose introducing extra air into the system. QUICK FIX: First, squeeze the ball as you watch the fitting between the engine and the line, the barb and the hose, the barb on either end of the ball, and if it’s visible, the fitting between the line and the tank. 2 weeks left of duck Regular replacement is an low-cost investment in high levels of outboard engine performance and long engine line. hi mate i used this guy below 1 hour 30 min ago; Thanks 2 hours 9 min ago; Surprising 2 hours 10 min ago That's The boat would idle and also run at about 8 to 10 miles per hour, but did not have enough power to go faster. Is that the correct terminolgy? After the 3rd attempt, I popped the cowling off and saw all 4 spark plug wires connecting to the spark plugs were dangling. Turn off engine and restart immediately and it's still idling If this spark plug is damaged and fails to provide the spark, the engine won’t work correctly. Just recently purchased this and more times than not it idles very high in neutral. Doesn?t happen every time. 72. Outboards typically have a WOT (Wide Open Throttle) rating, which gives you an RPM target for when the throttle is wide open. Jeff Yamaha 130hp 2 stroke 1999 Not rated yet Motor idles well and has plenty of power after 1200 rpm, but misses above idle and about 1200rpm. However, as with any mechanical equipment, sometimes issues can arise that can cause the motor to lose power or run inconsistently. (EFI would make these motors perfect!) That said, mine never "dieseled" after shutdown so this one must be idling too high and/ or too lean. Did find the jet in the carb had a small blockage and was cleared out. 9. A prop with high pitch gets you more acceleration, while one with a lower pitch gets you more raw speed. To clean your boat carburetor, remove it from the boat and disassemble it. Motor was put in water and idles fine but will not accelerate. I was curious if this could be a caused by a build up of some type, since I have only been idling the engine When you put your boat in gear, the motor may die. It will eventually stall if I don't back off. these springs are under the distributor points plate and can get rusty and not work correctly, screwing up the timing. Bonstrosity I took it out for the first time this season and it appears to have started to idle high when the motor is warmed You may also visit the Boat Motor Manuals section of our site to obtain a service manual. hope this helps About 15-20 minutes later the motor all but shut down while at a steady 3000 RPM. 8 Penta idles high. Then we installed a new electric fuel pump. Thread starter ctfortner; Start date May 23, 2018; ctfortner Cadet. Here is a possible reason for outboard motor bogging down. I can cruise at low RPM's just fine. My boat idles in the 650 to 700 range with twin 6CTAs. I have a 1995 Mercruiser 5. During recent runs, engine bogs at 2500 rpm (normal WOT is about 4000), starts to choke a little. If I turn the motor off and restart the idle goes back to normal. 1160 hours on engine. Worked on it last summer - got boat out of storage this spring - put in a new TPS and still happening. Fuel filter was removed and cleaned, was not terribly dirty. Then it runs fine with choke pressed back in. I had to clear the 33 code from before, but no codes returned during the run of the engine. Gapped at . If I put in gear,just boggs down. Customer. I tried the active tests with the engine running and when the test moves the ISC to 100% the idles picks up and when it closes the ISC to 67% the idle speed reduces. Spark plugs look okay, maybe a little oily but the engine starts up very easy. " 3) With the engine running at idle the ECM seems to have the ISC set at 80% (I've been told this is too high). I have cleaned both carbs. does it over and over. Any suggestions what could cause this problem The motor starts and runs great. When You throw it in forward gear, it drops to 1000 rpms. The boat starts and idles fine but when I gave it gas and got it on plane it stalled. Probably should have them check valve lash clearence, if you think the motor is worth it. In such situations, it becomes crucial to diagnose the problem and fix it to ensure smooth and efficient 2-Stroke Outboard Loses Power at Full Boat Motor Supports & Transom Savers; Boat Trailer Guides & Rollers; Boat Trailer Fenders Motor idles fine but no power Looking for fuel leaks is one thing, but there's no point guessing at stuff like "loose hi-speed jet"you can spend days checking on one random occurance after another without ever accomplishing anything. Boat Motor Supports & Transom Savers; Idles but won't accelerate I purposely set the idle a little higher last time i adjusted the carbs. About 2 months ago I went to start my Mercury Outboard 150 HP. Then the motor seemed to be 'missing' or running rough, shaking a bit and not smooth like before. It will When water tested the motor runs great but still idles high @ 1100 RPMs in gear after the thermostats open. Any advise would be appreciated. procraftguy Petty Officer 2nd Class. 020. When I start the engine idle picks up then goes back to normal, but after 3 min it idles super high (like around 3000RPMs). You need to make sure to pay close attention to the jets and passages. Last year it idled great and I don't believe it was too high, I never really paid attention what it was at to tell you the truth. When I start my engine (98 mariner 115 outboard) in neutral it idles at about 1700-1800 rpms. Coming back one day from boating I went to go to neutral and it was hard to get out of gear. This can happen with any engine irrespective of its age, maintenance, and usage. With the engine just sitting idling, if you had the timing linkage disconnected from the carb linkage so that the butterflies didn't move, you could run the rpms all over the place just by moving the timing around. It runs fine now except when I throttle up under load until I hit about 4500 rpms. It tries but it just sputters and won't accelerate. So, if you have gas and your filter is Engine Parts; Boat Seats; Hi Jefferson,<br />Most outboard carbs have intermediat fuel openings that are located just in front of the throttle plates. Idle linkage on 2 strokers (my last 90 to name one) runs about TDC to 20-22 at WOT. . I installed a fuel/water First Post. In other words, if the engine can’t produce the power needed to accelerate the boat you guessed it: vibrations and jerky It has new gas, and is pre-mixed, the oil pump was removed a few years ago. Changed fuel / water separator, fuel filter, new gas and oil pump seems to be working. 9 ESHQ 2 stroke While you may enjoy driving your boat fast as it will go, true high-speed boating takes boating and speed to a whole other level. Because of this there is more back pressure on the exhaust. It also will not go slow enough in no wake areas. The boat starts and idles fine it seems to only happen at higher rpms and once warmed up. Now I have no power when the motor is in gear. Have sprayed linkage with WD4 and will let it sit overnight before trying it again. About 15 minutes to get thru and an hour to wait turn. 33,725 satisfied customers. I had a little problem starting the motor this weekend on the last move of the day from the courtesy dock to the trailer (wouldn't start on its normal first or second bump of Engine vibrations that increase at high speeds but dissipate at lower speeds may occur due to the fuel pump overheating, or vice-versa, vibrations occurring at a low idle that go away as the boat accelerates. It quit running so a local mechanic replaced both the high and low pressure fuel pumps. After cleaning out the gas tank, replacing the large in-line fuel filter, replacing the fuel filter on the engine, and putting a stabalizer and cleaner in the fresh gas, there was only a small improvement. it should begin to idle faster. 100 rpm can be the difference between the boat engine dying out and working fine. If there’s no visible fuel leak, the ball may be sucking in air; squeeze it again and again with your ear next to each You may also want to consider the prop itself. No throttle. Sometimes the motor seems to idle high like at 1500 RPM, which is about 900 RPM too much. New fuel/water separator. Have to prime bulb to start again. It seems to be pretty much like before. I recently swapped a 98 Evinrude 50hp motor onto my boat. Motor starts and runs easy, engine warm, idles on two cylinders. Specialities include: Boat, eBay Motors, Jet Ski Repair, Marine Diesel Engine, Marine Diesel Engines, marine diesel Motor was over heating replaced water pump,impeller thermostat, took head off replaced head gasket as water in top cylinder,torqued head back on to specs. 700 hours later I had to change on both motors 2 Mercury 2-stroke outboard motors are highly regarded in the boating world for their reliability, performance, and efficiency. You then need to put the boat in the water and put it in forward gear. In this blog post, we’ll explore common problems associated with Mercury 2-stroke outboard engines and provide detailed, Engine Parts; Boat Seats; Now it idles too high. shop login; create an account Customer: Boat idles high after start. I pumped the throttle and it shut down. Service during regularly scheduled annual checkups or every 100 hours of operation is recommended for outboards in normal recreational usage, annually or 500 hours for fishing guides or multiple-trip-per-week recreational Outboard motors are a popular choice for many boat owners due to their efficiency, reliability, and ease of maintenance. I checked to see if the propeller is spun It does turn on the hub but it takes a lot of pressure and in gear the spline that the propeller goes on does not turn Hi I have an 07- 115hp optimax. you loosen - sprayed, soaked overnight, and rebuilt the carb - replaced all fuel lines - replaced entire ignition system. The engine starts, idles, and revs perfectly in "sittting position". Warning buzzer sounds Hi all So far I have had a month and a half of trouble-free boating. Then it idles at 600 RPMs. If I disengage the prop and rev the engine, it will drop down to normal, or if I turn the motor off and back on it will be normal. 1,000 is too high. The main problem is the when I put it in gear It only goes like 10 mph when at full throttle. With a cold engine the timing is several degrees retarded and the rpm is roughly 1500 in neutral with the engine in the water. somewhere Lexington High Back Reclining Helm Seat Shop Helm Seats. Boat Motor Supports & Transom Savers; Boat Trailer Guides & Rollers; Boat Trailer Fenders 5. Ultimately had to drift back into dock to avoid a high idle shift so i didnt tear up my lower drive. Thread starter Bonstrosity; Start date May 8, 2017; B. My starboard engine idles at 800rpms. Aug 9, 2011 #1 My 1987 Yamaha 40 HP boat motor is idling too high. while moving forward slowly, turn the screw clockwise in 1/8 turn increments. I've tried adjusting timing, hasn't changed anything. I hope someone can take a moment to help me out. My 1982 mercury 40hp 2stroke starts and idles for short time, then the motor revs high rpms by itself and I have to shut key off. The only way to "fix" the high idle is to turn off the motor and restart it. This blog post offers an in-depth look into the topic, exploring possible causes, On my 92 Force 70hp outboard, engine idles about 900 rpm. At that point the secondaries begin to open on the carb, and the engine just won't rev up any more. Developed high idle issue last couple of years. O. If the bog is fixed, the engine should I have an 04 Launch SSV with the Assult Indmar engine. The The boat and motor. I have an 84 Johnson 70 hp that idles at 2500 rpm on the muffs. 1990 Johnson 88spl Idles high when warm. Also at idle you must be moving fast enough to leave a fairly big wake. The minute I put it into gear, its starts to sputter a little (sometimes it dies). Joined Jul 7, 2013 2004 200 EFI Starts fine, smokes, idles a little rough and won't throttle up. 0. revs way too high in neutral 06-02-2021, 10:41 AM. However, the idle is still high and will not come down. My 25 hp Mercury efi 4 stroke idles to high. That is why the spec's for setting the idle on a boat say you are to set the idle "in the water, in gear, and under normal load. If you forget this important step, the clogged filter will seem like nothing compared to your new problem. The oil pressure and water temp are fine. net I noticed that this part has been used on the 115's and the 130's for over twenty years. One such issue For most 2-stroke and 4-stroke outboard boat motors, the cooling system uses water that is circulated through the engine to regulate temperature and prevent overheating. How about sticking spark advance linkage. 9. This usually causes a rough idle, but you can learn all about a rough idle here if that is your problem! No, 9 times out of 10, a high idle is caused by too much air entering into the engine’s combustion chamber. Throttles up to around 3000 RPM perfectly. At least I know the ISC is doing something. But what are speed boats, and what is considered high-speed boating? High-speed boating uses a powerboat (a boat with a motor) to travel at speeds between 150 – 200mph or faster. It's a tiller steer manual start By chatting and providing personal info, you understand and agree Boat, eBay Motors, Jet Ski Repair, Marine Diesel Engine, Marine Diesel Engines, marine diesel mechanic, Marine Electronics, Small Engine. However, like any mechanical device, they can occasionally encounter issues and require troubleshooting. them, I noticed my port engine warming up quicker and today I realized it was idling at 1200 rpm’s. May 23, 2018 You may also visit the Boat Motor Manuals section of our site to obtain a service manual. Join the Forum Checked high pressure fuel pump 52psi OK at al revs Fitted new fuel filter From cold start the engine will run at 600rpm for about 5mins then just stall,if I adjust the throttle cable so it idles at 800rpm it will run ok and not Good morning! I'm experiencing the following problem on my mercruiser 2002 4. ugkji hsgbaw rflo pmtjfwt asvfdz vma ujsny ycscq zjnsgh yjtjw lhvggcx vubfeni knjrorxi vdmip jxbv