Outboard Dies When Throttle Up

Started and idled okay but died on normal take off and acceleration. Engine starts, then races for a few seconds and then dies every time. Each 8hp engine repair manual covers every aspect of repair. I have a Tracker, Evinrude, 25 hp, electric start made in 1989, factory run "R (TE 25 EL CF R) on my 16ft MirroCraft. seems like you have to keep pumping the fuel line. Outboard motor designs vary depending on make and model, but all operate on similar principles. Idle Speed Adjustment. If your outboard engine is sputtering at any speed, idle or full throttle, it could be the result of several common malfunctions. But now the auto fast stage seems a little fast (maybe not). The bulb goes soft. Honda 50 hp outboard stalls after starting when throttle opened up--runs like not getting fuel--seems to be loss of - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. You're putt-putting along pretty as you please, when suddenly your outboard dies. Then the motor just dies. This includes adjusting the mixture screws to get the fastest idle, reducing the idle and then using a carburettor synchroniser to balance the carburettors. My dad discovered that if he taps the choke when it starts to bog down that it will pick up rpms and get up on plane if you time it just right. My engine stalls under load. Better Fuel Economy -bums up to 30 - 40 percent less gas and oil than conventional carbureted two-stroke engines, saving money and resources. If the outboard motor's serial number plate contains the CE mark in the lower left-hand corner, the following statement applies: This outboard motor manufactured by Mercury Marine, Fond du Lac, WI, USA or Marine Power Europe Inc. also change your plugit maybe fouing As stated, the only way the OP can make it idle is to have it on full choke. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 15 HP outboard motor to factory specifications. Get the best deals on Other Outboard Engines & Components when you shop the largest online selection at eBay Tune Up Kit for Some Johnson Evinrude 3-40 HP Models. I restart the engine without any difficulty. When throttle is advanced in gear the motor dies. I finally got it started and took off, got about 400yd away from the dock, stopped to get something in the boat and the motor died. The engine is running great. Fuel line looks ok but I didn’t cut into it. Re: Engine idles fine,but DIES if you throttle it up? Well,its just a "crutch" to get by for the time being. It will sway your head front to back it stalls and surges so bad. A Mercury SmartCraft System instrument package can be purchased for this outboard. When I throttle back from WOT, the problem disappears. Find your boat the engine it deserves with Evinrude's unparalleled line of outboard motors, parts, and accessories, available at dealers nationwide. Find W13 In Stock Now. You could baby the throttle until the RPM's picked but if you tried to take off normal it would bog down and die. Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. Attach (tape) engine mounting template (located in this manual) to boat transom. 30 hp evinrude outboard, running full throttle, then surges as if running out of gas. Download a 40HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. I restart the engine without any difficulty. Do I recommend doing this? Nope. I finally got it started and took off, got about 400yd away from the dock, stopped to get something in the boat and the motor died. Found out it was the hose that goes to the fuel filter. If you shift into reverse and don't increase the throttle there is not a problem and the boat moves in reverse. A list of things to check for outboards, inboards and sterndrives. YAHAMA OUTBOARD ENGINE SURGES WHILE RUNNING. 9 & 15 hp outboards 1974 - 1992 (Engine Troubleshooting) I am sure that sometime you may acquire a motor, or be asked to help with one that has sat for some time & or possibly will not start. I would do this with the spark plugs out of the motor for ease of pulling. when it dies, i pump the bulb and seems to be fine after that. seems like you have to keep pumping the fuel line. A download outboard repair manual is a book of instructions for learning how to maintain, service, troubleshoot, and overhaul the engine to factory specifications, including procedures for engine won't start. 030 or wider and run great. As I continued to back off on the throttle, the engine stalled. In neutral with the cover off, you can rev manually and you can put at full throttle without out any issues, apart from a minor slight bog down before going to high revs. Otherwise it runs great, no hesitation when i give it full throttle and it never skips or hesitates thru the entire rpm range. My 96 GTX. Yamaha outboard bogging out at full throttle. INSTALLATION MANUAL 75, 90 AND 115 HP (4-Stroke) NOTICE TO INSTALLER: After completing assembly, these instructions should be placed with the product for the owner's future use. 9s typically need the throttle to be goosed a few times for a cold start. There are a few signs that could be a signal that the throttle position sensor is failing. pinion gear back up shim different shapes; picture of water pump case in earl and late model df50; 2002 40 hp suzuki outboard full throttle messes up after hitting log; 2002 suzuki 40 hp drain gasket; 2002 suzuki 40 outboard power head gasket; 2003 df40t 04001f suzuki outboard idle adjustment; 2003 suzuki 40 four stroke mixture ratio. Fuel flow and spark check out o. Disconnect the line to the carb and let it run into a containerthe flow should be heavy and constant,let it flow for a long time. Mercury 4-Stroke Outboard Boat Motor Service Manuals for only $4. any answers would help. With the outboard in the water, or with a proper coolant flush device connected, start the out-board and let it warm up to operating conditions. If i choke it, it starts, but only runs for a second until that fuel is burt up. So today got back in motor is now hooked back up to boats fuel tank and now it won't troll. If you stop pumping fuel line motor cuts out. These lightweight 40hp and 50hp outboard motors are ideal for flats, bay boats, inflatables, fishing boats, and pontoons. This includes adjusting the mixture screws to get the fastest idle, reducing the idle and then using a carburettor synchroniser to balance the carburettors. 400/800/Stringer and Cobra exploded view drawings. 5 months old (getting there but should not. Tohatsu offers an outstanding line up of four stroke outboard motors, including the 100 hp, 90 hp, 75 hp, 60 hp (standard and "sport thrust" ), 50 hp, 40 hp, 30 hp and 25 hp outboard motors. Mine would idle and die after trying to go past 1/4 throttle. What to do? - 178 reports. When the gear is engaged the engine dies. I'm sure this isn't a new problem so I apologize for any duplication. My 96 GTX. However, I still can't get it to throttle up all the way to save my life. Hey guys, questions for you outboard wizards regarding low pressure fuel pumps Here's the situation: ran down to the rockpile yesterday (1 YT in boat, 1 released ), boat ran great on the way down. A bad throttle position sensor is the last thing that you will ever wish to have on your ride. Find information how to test and check the ignition systems on Johnson Evinrude outboard motors. If the carb was properly rebuilt, and has a good fuel filter the chances of it being a piece of dirt is quite small the chances of it being a thin layer of gummy. This will be all the information that you need to know about what problems Mercury Verado Engines have had up through the years since it was introduced! Mercury Marine's Verado Engine is an engine that has changed the way outboard engines are viewed. If any stalling occurs again, throttling up or down, I'll check the TPS. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 200 HP outboard motor to factory specifications. DOWNLOAD 65HP Outboard Service Repair Manual Download a 65HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. ing kit could result in outboard ejecting suddenly off boat transom causing serious injury, death, boat damage, or loss of outboard. DOWNLOAD 130HP Outboard Factory Service Manual Mercury Yamaha Johnson Download a 130HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. That is how I have my 1957 Johnson 18 hp set-up on my Jim Michalak-designed AF4 power skiff; if I pull the throttle all the way back, the engine dies. And when it idles the outboard shakes. Good luck, Marke. A download outboard repair manual is a book of instructions for learning how to maintain, service, troubleshoot, and overhaul the engine to factory specifications, including procedures for engine wont or will not idle. It idles ok to have a reasonably good idle with gummed up carbs. Take the carb apart and give it a good cleaning. 9 or DF15 horsepower 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 outboard repair manual straight to your computer in. I finally got it started and took off, got about 400yd away from the dock, stopped to get something in the boat and the motor died. txt) or read online for free. This INSTANT DOWNLOAD 4 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. If that hub gets damaged, the engine will rev up when you put it in gear but the boat won't go -- kinda like a slipping clutch in a manual shift car. Basically, shell start up fine and idle around 1500-2000 rpm (full choke) but upon going to 1/2 choke or giving her any throttle, she dies. Just had it tuned up and still have a difficult time starting when in the water. Sometimes it will run at full speed for a few minutes and sometimes it will only run for 10 seconds at 1/2 throttle. If the gas line is dry, this may take 20 or more flips. It will cruise all day at 1/2 throttle but it shuts off about 75% of the time when I try to move it from 1/2 throttle to full throttle. Ecotrons has been supplying an EFI kit to some boat manufacturers to convert this carburetor engine to fuel-injected for 2 years. Some of these problems can also be caused by a bad injector connectors, fuel pump or bad gas. Outboard Motor - Overheating Problem I have been having a problem with my outboard overheating When at full throttle, after about a qtr mile, the motor stops spittin water and if I dont cut the throttle back the overheating alarm starts to sound. OMC parts & Mercruiser outdrive online catalogs. DOWNLOAD 65HP Outboard Service Repair Manual Download a 65HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. I have neglected my poor Montauk, I let it sit too long and it was not properly winterized. By Chris Edmonston. My buddy says that an EFI should basically never stall and the warm up lever should not be needed. Includes hardware for two 3300/33control cables. Re: Surging/Idle Trouble with 4-Stroke Outboard Originally Posted by kayakn have you taken the carb off and let it sit in a gallon can of carb cleaner? that may be the problem, the carb cleaning spray doesn't always work. Another fact it a 4 stroke only fires every other time the piston is up. When I pull off slow, it pulls off fine but as soon as I put throttle on it bogs down and cuts out. Johnson Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. It's usually something simple. It just dies. When your outboard starts right up, keeps running with throttle applied in neutral, but shuts down the moment you come back to idle speed in neutral, the issue is likely to be a sticky or broken AIS (automatic idle speed) valve. When throttle is advanced in gear the motor dies. Optional engine trim switch in handle. Wait for about an hour and a half. I think the injectors will come out this winter and I'll drop them with our injector guys to clean them. But now the auto fast stage seems a little fast (maybe not). Whether performing basic maintenance or complete engine overhaul, this downloadable repair manual covers it all. MID-RANGE 25-100HP. I cleaned the carbs, changed the spark plugs and gave it fresh gas. IDLE REVES UP REALLY HIGH ON STARTING OR SHIFTING FROM GEAR TO NEUTRAL THEN DROPS TO LOW IDLE AND STUMBLES OR DIES COMPLETELY. 25, 30, 40, 50 and 60 HP (4-STROKE) INSTALLATION MANUAL Page 6 of 26 Installing Outboard - Non Thumb Screw Models 1. I have a fuel issue on my center console. Better Fuel Economy -bums up to 30 - 40 percent less gas and oil than conventional carbureted two-stroke engines, saving money and resources. The automatic idle speed motor is common to most fuel injected vehicles. 4 GSI/DP Volvo Penta, 454 engine 1998 27 foot Doral, well last week I idled out of the bay which it ran just fine for about five miles then I pulled back to do a little trolling, after an hour I decided to pick it up and move to another spot and noticed that I couldn't get on plan or accelerate over 2. Increasing the throttle speed causes the motor to shut off, as if fuel starved, but only during initial acceleration. This INSTANT DOWNLOAD 80 horsepower outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. When the gear is engaged the engine dies. Now the motor will not go above super low speed (even with throttle all the way up). If that brings the idle down, then the throttle valve is sticking near the closed position, and you may need to replace the throttle shafts. Be prepared to kill the outboard ignition if the idle speed is too high when the engine starts. I have a Tracker, Evinrude, 25 hp, electric start made in 1989, factory run "R (TE 25 EL CF R) on my 16ft MirroCraft. The automatic idle speed motor is common to most fuel injected vehicles. It does feel like it wants to go faster for the short time it stays at full throttle before it dies. Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer ball. Insert the control cable bowden wire in the proper hole of the engine control lever, which is located on the side of the carburetor air intake elbow. With the passage of time, the sensor loses its efficiency and thus has to be replaced. low fuel pump pressure or a flooded carburetor can cause it not to start up. Why does my Yamaha 90 outboard misfire when I put the throttle down. A 25HP outboard Yamaha, Suzuki, Johnson, Evinrude, Mercury, marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 25HP outboard motor to factory specifications. Engine Throttle Control Lever (Shown in Low Idle Position) Throttle. Dodge Ram 1500 Starts, Runs till warmed up, Dies. Engin dies when I turn the throttle Apr 20, 2013 23:13:40 GMT -6 via the ProBoards App. If you let go in time it returns. Mercruiser shifters have some features that you need to know. Johnson Outboards Pair 200 Hp 1996 Extra Long 25 Inch Shaft. Outboard engines are popular in small watercraft because of their light weight and wide range of size for both low and high power applications. 9 or DF15 horsepower 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 outboard repair manual straight to your computer in. Fuel line looks ok but I didn't cut into it. So in idle, it's good. As I mentioned before, it feels as if I could force it if I wanted to - it´s not a solid stop at that point - but I don´t think that would be smart without knowing what´s going on. When I began to come off the throttle, the engine started to sputter and die at 3000 RPM. The only thing I can think of you buy with twin levers is if you got an engine running like shit you may be able to keep the idle up while shifting to get it in gear before it stalls. Check the oil level on four-stroke motors. My '79 Evinrude 70 hp outboard dies when I stick it into gear and try to put power to it. ? just bought a boat with a 40hp outboard, it start and runs fine, it goes at low speeds fine, but as soon as i get to about 3/4-full throttle it boggs down and looses power, almost cutting out. 812432A4 1. ? motor is a Johnson 9. Learn about this problem, why it occurs, and how to fix it. It just dies. Mine stalls even when warm on occasion and I do need just a touch of movement on the warm up lever when the motor's cold. 2000 Johnson 70 Hp 2 Stroke 3 Cylinder Outboard Engine Powerhead Freshwater Mn. Great Lakes Skipper carries a huge selection of boat side mount controls at closeout prices. Next run stalls a couple of times in harbour after launch but is idling fine. Shop our tremendous selection of boat throttle control products and find exactly what you need for your boat! Outboard Motors Sign up for emails and stay up. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 15 HP outboard motor to factory specifications. INSTANTLY DOWNLOAD a Suzuki DF9. We prefer to use, and train upon, Mercury 2-stroke outboards for a variety of reasons. outboard motor stalls when throttle closed; outboard motor troubleshooting - stalls; outboard stalls at 2000 rpm; outboard stalls going into gear; outboard stalls out in idle; outboard stalls returning to idle; outboard stalls shift; outboard stalls spark plugs; outboard stalls under load everytime; outboard stalls when in neutral; outboard. Disconnect the line to the carb and let it run into a containerthe flow should be heavy and constant,let it flow for a long time. Major bummer! First, make sure you're safe — power losses can be dangerous if there are heavy seas or bad weather. If your lawnmower will start up and idle, but then dies when you throttle it up, you might have a problem with the carburetor. when it dies, i pump the bulb and seems to be fine after that. How to video repair help for OMC sterndrives. If the outboard engine idle speed is not within factory specification, use these step-by-step idle speed adjustment procedures. You turn the key, and the motor cranks and cranks but just won't run. Also, if I run across the lake, turn it off for a while to fish, when I go to start it again, I have to put the throttle in neutral and give it a lot of gas. A download outboard repair manual is a book of instructions for learning how to maintain, service, troubleshoot, and overhaul the engine to factory specifications, including procedures for engine wont or will not idle. I finally got it started and took off, got about 400yd away from the dock, stopped to get something in the boat and the motor died. Why is this? What am I missing here????? Please help me out because this is my first outboard motor and I really like to work on motors. In neutral with the cover off, you can rev manually and you can put at full throttle without out any issues, apart from a minor slight bog down before going to high revs. After driving for about 20 minutes, the engine will die while driving, and will not start back up until the next day. PROBLEM: The engine stalls in neutral, at idle, only. Why does my Yamaha 90 outboard misfire when I put the throttle down. Each 8hp engine repair manual covers every aspect of repair. It will sway your head front to back it stalls and surges so bad. 30 hp evinrude outboard, running full throttle, then surges as if running out of gas. If I can start it with lower throttle, I have to catch it and throttle up before it stalls. ing kit could result in outboard ejecting suddenly off boat transom causing serious injury, death, boat damage, or loss of outboard. Home Boat Design Forums > Design > Propulsion > Outboards > Mercury 70 hp bogs down at full throttle. Surface mount design for quick, tidy installation. Try come carby cleaner in the throat and take the fuel line off and squirt some into the carb via the fuel inlet. Take the carb apart and give it a good cleaning. This INSTANT DOWNLOAD 4 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. That is how I have my 1957 Johnson 18 hp set-up on my Jim Michalak-designed AF4 power skiff; if I pull the throttle all the way back, the engine dies. Browse our inventory today, limited quantities available. Re: Outboard motor needs choke all the time :-( The carb has to mix the right amount of petrol with the right amount of air in order to work efficiently. I have a Mercury 40 HP Outboard Boat Motor and I am having some trouble with it getting it up and going. Not thinking of doing it and of course a lot easy to open the throttle up a bit mechanically , but I was just theorizing as I said in my statement. Just before it connected to the fuel filter, the clamp was not tight enough. but did not help it will start back up then dies,also there is gas coming out where the diphragm is any help. Outboard Motor Hesitates At Full Throttle. Download a 40HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. Any suggestions. If that hub gets damaged, the engine will rev up when you put it in gear but the boat won't go -- kinda like a slipping clutch in a manual shift car. It works fine for me but others can’t get used to it, and want the engine to remain runnning at idle speed if the throttle lever is jerked back. The competition uses fuel pressures that vary from 90 to 250 psi. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). The idle is set to 800rpm. But over 1/4 throttle, especially when it's warmed up, it acts like it's running out of gas. The car continually dies on deceleration. It was a pretty hard hit. Sometimes you can tell it really really wants to go higher, but always goes back. 2 stroke bog when suddenly givin full throttle and give it full throttle but when I'm cruising at about quarter throttle and open it up it just dies. After the 4100m rpm it runs smooth as silk all the way through wide open throttle. Then move the throttle control back 3/16" (4. Basically, shell start up fine and idle around 1500-2000 rpm (full choke) but upon going to 1/2 choke or giving her any throttle, she dies. DOWNLOAD 50HP Outboard Repair Manual Johnson Evinrude Mariner Suzuki Mercury INSTANTLY DOWNLOAD a 50 horsepower outboard repair manual straight to your computer in seconds. Pinch the idle air control valve hose closed so as to stop the air flow from the idle air control passage. In this video I go through tuning the carburettors on an outboard motor. I tried replacing the tank and fuel line/bulb, but it's still doing it. I have a late 80's Mercury outboard motor on my boat. I think the injectors will come out this winter and I'll drop them with our injector guys to clean them. Starts great and ildes great and will even run great at low RPM, but when you try to accelerate the engine falls flat on it's face. 9) Choke spring may be backwards and is getting tight when heating up instead of loose. Marine Parts Plus has been a supplier of marine parts and accessories since 2007. it stalls when i put it in gear 50% of the time, it i difficult to get on the trailer on the boat ramp. Re: outboard stalls when advancing throttle past idle speed Jefferson, I went through the same problem a month or so ago. When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. When I pull off slow, it pulls off fine but as soon as I put throttle on it bogs down and cuts out. 5V on some models), when the throttle plate is fully opened, replace the TPS. Just had it tuned up and still have a difficult time starting when in the water. Sometimes you can tell it really really wants to go higher, but always goes back. What is happening is that the motor is sucking air around the leaky O-Rings and not getting enough fuel. This INSTANT DOWNLOAD 175 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. When I open the throttle it stalls and dies. You can rev it up in neutral with no problem. Mine stalls even when warm on occasion and I do need just a touch of movement on the warm up lever when the motor's cold. Be prepared to kill the outboard ignition if the idle speed is too high when the engine starts. It will start with choke on, and then as I choke off it has a hard time to keep running. For BEST results, the clearance from the throttle plates to the throttle body will be about 0. Started and idled okay but died on normal take off and acceleration. In this video I go through tuning the carburettors on an outboard motor. Too much prop pitch puts extra. then it usually start up no prob the rest of the time. When the gear is not engaged the engine stalls when opening the throttle and goes to normal again after the initial stall. Your boat's speed and handling depend directly on the outboard engine used to power it. 030 or wider and run great. 4 strokes are in the 9 to 1 ratio. Fuel and Oil Pump Fuel Pressure Gauge Fuel Filter Fuel Vacuum Gauge Clear Fuel Line Carburetors Fuel in. Then it runs smooth and great until 3800-4100 rpm. My engine stalls under load. DOWNLOAD 50HP Outboard Repair Manual Johnson Evinrude Mariner Suzuki Mercury INSTANTLY DOWNLOAD a 50 horsepower outboard repair manual straight to your computer in seconds. W13 For Sale. My '79 Evinrude 70 hp outboard dies when I stick it into gear and try to put power to it. Pinch the idle air control valve hose closed so as to stop the air flow from the idle air control passage. one time it shut off will on plane at low RPM. Re: Engine idles fine,but DIES if you throttle it up? Well,its just a "crutch" to get by for the time being. Outboard engines are popular in small watercraft because of their light weight and wide range of size for both low and high power applications. I have neglected my poor Montauk, I let it sit too long and it was not properly winterized. I'm sure this isn't a new problem so I apologize for any duplication. I have a Tracker, Evinrude, 25 hp, electric start made in 1989, factory run "R (TE 25 EL CF R) on my 16ft MirroCraft. I have a fuel issue on my center console. It wouldn’t start up after that. Starts, idlesstalls when in gear Welcome to TheMalibuCrew! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. When it does cut off it doesn't usually sputter out it just completely shuts off and then it cranks right back up. When brand new I had some problems until my 20 hour service. Once I get it planed out it runs fine. 9s typically need the throttle to be goosed a few times for a cold start. If pressure builds up in the Oil Pan, the PCV Valve allows this pressure to release. If you are not comfortable with remembering where all the little bits and pieces go, set up a video camera as you take it apart. When I open the throttle it stalls and dies. It idles ok to have a reasonably good idle with gummed up carbs. seems like you have to keep pumping the fuel line. The Honda BF2D small outboard is packed with many useful features The BF2D that we're looking at is a Short shaft model having a transom height of 16. then it usually start up no prob the rest of the time. My dad discovered that if he taps the choke when it starts to bog down that it will pick up rpms and get up on plane if you time it just right. Each 8hp engine repair manual covers every aspect of repair. DOWNLOAD 130HP Outboard Factory Service Manual Mercury Yamaha Johnson Download a 130HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 65HP outboard motor to factory specifications. You could baby the throttle until the RPM's picked but if you tried to take off normal it would bog down and die. When I rebuilt my carb I put in all the new parts that came with the kit and one of the parts was the throttle stop screw. Insert the control cable bowden wire in the proper hole of the engine control lever, which is located on the side of the carburetor air intake elbow. then it usually start up no prob the rest of the time. The car continually dies on deceleration. While its streamlined design is up to 25 percent lighter, it still manages to pack in exciting new features—like battery-less EFI and an optional electric start kit. How to Fix Engine Backfires Does your engine back fire and you are wondering why? We are a group of ASE certified mechanics that have created this guide to help you save money by fixing your car yourself or to see what you are paying for when taking it in for repairs. Throttle response is razor sharp. 5 inches (418 mm). There are several different models and styles of Mercruiser remote controls. Hello, I have a 2002 Mercury 4 HP Outboard. Carburetors. Mercruiser shifters have some features that you need to know. So in idle, it's good. The sketch in figure 2 shows a typical V4 outboard fuel system. Otherwise it runs great, no hesitation when i give it full throttle and it never skips or hesitates thru the entire rpm range. Sometimes you can tell it really really wants to go higher, but always goes back. The carburetor brings air and fuel together and mixes them in a perfect ratio for combustion. if it HAD proper spark (one with HEAT and not just high enough voltage to jump a gap and LOOK impressive),it would fire a plug gapped at. Then I resta. When on dry land with the ear muffs on, a couple of seconds worth of cranking and brooooommmm! No worries. Thanks for everyone's input. Download a 50HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. As I mentioned before, it feels as if I could force it if I wanted to - it´s not a solid stop at that point - but I don´t think that would be smart without knowing what´s going on. Starving for fuel. Tuning: In this position the air is controlled by the throttle cutaway. If poor engine running presists check the connection of the carb to the rubber sleeve on the engine. I tried adjusting the idle up, whih seems to keep it running at idle speed a little better, but at 1000-1200 rpm. 2002 150hp dies on throttle up and idle rough. Increasing the throttle speed causes the motor to shut off, as if fuel starved, but only during initial acceleration. Engine Throttle Control Lever (Shown in Low Idle Position) Throttle. By performing this periodic maintenance, you can keep your boat's outboard motor in good working condition. Once I get it planed out it runs fine. DOWNLOAD 65HP Outboard Service Repair Manual Download a 65HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. A bad throttle position sensor is the last thing that you will ever wish to have on your ride. After driving for about 20 minutes, the engine will die while driving, and will not start back up until the next day. 2003 mercury 40 hp 4 stroke compression specs 1983 mercury 40 hp outboard motor stalls on throttle up 1984 mercury 2 stroke 40 hp change oil 1985 mercury 40 hp 100 hour main 1986 mercury 40 hp 2stroke crank seal replacement 1987 mercury 40 hp 4 stroke 2014 manual hydraulic tilt trim adjustment 1988 mercury 40 hp efi rocker problems 1989 mercury 40 hp outboard propeller 1990 mercury 40 hp. All fixed, the car idles better than it EVER has! AND, no more off throttle surging etc as you come up to intersections, very annoying. It also dies after I move the throttle only a few inches to the. I have one of the old type B&S engine with carburetor that hooks to the gas tank put a rebuild in carb. When alcohol in the fuel is allowed to dry inside of the carb, a residue is left behind that can clog the jet. Re: Engine idles fine,but DIES if you throttle it up? Well,its just a "crutch" to get by for the time being. Outboard engines are popular in small watercraft because of their light weight and wide range of size for both low and high power applications. Hi guys!Its been a while since Ive been here, unfortunately have not had much opportunity to use the boat in the last 18 months I went out this morning to fire it up for the first time this season, was hoping to use it this week, but it will only run for about 3 seconds, then shut off. How to check fluid on trim motor yahama 40hp outboard how to check oil in suzuki 40hp outboard motor how to check suzuki 40hp date born how to clean yamaha outboard 40hp 2 stroke carb how to drain gas from a 40hp mercury how to drain oil from suzuki 40hp motor how to fix a 40hp yamaha boat motor with no spark how to hook up 40hp yamaha throttle cables how to install a prop on a 40hp yahama how. If this happens, you may have an engine that may start with persuasion, but may not remain running OR dies as you open the throttle up. My buddy says that an EFI should basically never stall and the warm up lever should not be needed. Better Fuel Economy -bums up to 30 - 40 percent less gas and oil than conventional carbureted two-stroke engines, saving money and resources. When I pull off slow, it pulls off fine but as soon as I put throttle on it bogs down and cuts out. Tonight the engine died when I opened up the throttle to get on plane - it goes, the dies off the surges then dies again. If you let go in time it returns. Once I get it planed out it runs fine. Deprecated: Function create_function() is deprecated in /www/wwwroot/autobreeding. Fuel and Oil Pump Fuel Pressure Gauge Fuel Filter Fuel Vacuum Gauge Clear Fuel Line Carburetors Fuel in. Additionally, an outboard engine affects both safety and performance. Watch for overheating--pointing a big shop fan at your engine will help it from getting too hot during the fast idling. As I continued to back off on the throttle, the engine stalled. Dodge Ram 1500 Starts, Runs till warmed up, Dies. Remove the idle air control IAC hose from the silencer case. Half way there, in forward under light throttle, the engine dies again. If you're new to Tech Support Guy, we highly recommend that you visit our Guide for New Members. Then the motor just dies. Hi there, My 1989 9. Prop & water outflow look fine. Naturally, these engines are also clean burning. By Lenny Rudow. Hook back to tank from boat and does the same thing again. I have noticed that my Mercury 650 outboard motor was shifting into reverse gear without properly locking in place / a little grinding, so I would have to push the lever a bit farther. Based on the popular Mercury MerCruiser® line, these are fully remanufactured engines that are fitted with marine-grade performance valve train, pistons, induction system and (in some cases) marine headers to deliver factory reliability. Then it runs smooth and great until 3800-4100 rpm.