Yamaha Outboard Bogs Down Under Load

After alot of work, it ran pretty well. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created function(1. I bought a 2003 Yamaha 40-HP four-stroke yesterday and ran it for the first time today. Carburetor Troubleshooting Guide. A half-turn CCW on the main adjustment screw might solve the problem. He is an ASE Certified Master Technician and has bruised knuckles to prove it. The gummy fuel can also cause. Prior to my purchase the previous owner, a friend, said he cleaned the carbs. Got a new water pump, LU oil and spark plugs. The R-23 is a new design, not a modification of another vessel in the line. I took the boat out over the weekend and it ran fine that morning. I have noticed last 3 or 4 outings that when I go to take off after Idling a short distance that it seems to bog down when I try to take off and get on plane. and If you have received an application to pay 1989 taxes by installment and it Is your intent to exercise 1363 S. Now the thing is if i keep pushing the choke it will rev up to about 5000 and seem to run somewhat normally. But I have also seen a user review or 2 saying that it's possible to stall out the HS520 in similar conditions. Chevy EFI Blue Monsoon engine. In gear it will run at around 2000 rpm, and occasionally rev up to 3-4000 rpm for a sec, and die back down to 2k. It'll pull a 2-1/2 kW load, though the old engine smokes a bit. Put it under load and it worked fine. Finally, took it to a mechanic that put it in a big giant tub of water and strapped it down, where he could simulate being on the water. mercury outboard stalls when i slow down fast; mercury outboard stalls when put into gear 2006; my 200 mercury saltwater stalls under load; my mercury outboard stalls out sometimes when i put it in neutral; outboard fuel injection stalls when accelerating; outboard motor runs rough then stalls and wont start; outboard motor stalls when purt. what's up? 2: Yamaha F25 bogs at full throttle: 2: 50 hp Yamaha 4 stroke bogs down: 0: Yamaha 70ETLW Bogs down and dies when tilted all the way down: 0: 1988 Yamaha 130 bogs once on plane: 1: Fuel Injected. any age as long as u are under supervision of and adult Read More. Possibly damaged by a backfire condition. Here are some basic symptoms, some duplicate. then please complete the application below and mail or file with your countytax 964-9059 noon. I think the one thing you should carry onboard is an inline spark tester. The engine runs high and clear but bogs down under load and won't run without choke. 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. I shutoff and restarted, same thing. and if I screw all in, the engine will dies. Incorrectly gapped spark plugs can negatively impact engine performance. But I'm on the water usually 1-2 times per week so it was worth it to me. A series of troubleshooting tests chasing the reason for the engine bogging down hesitating while trying to achieve full throttle. One thought on. This bulletin is to help technicians better diagnose fuel problems on engines that utilize an FSM. Motor Runs great bogs down under load. Then when I went out for the third time it ran fine until I shut it down to float for a while. at the end of the season it felt like it was running out of fuel priming the bulb kept me going. 9HP mercury won't accelerate. My 04 elpto 60. When I did get it started, it too would bog down when I gave it gas. I have a 2001 50 Hp. Why is the engine bogging under acceleration? I recently managed to get the moped running properly, albeit for only a short time. All four times it has bogged down (3 prior to maintenance and 1 after) was after towing the boat to the marina (about 20 miles). But after a while it will suddenly lose power (bog down) and start dropping speed down to 65. I also put together a 2400 rpm set, using a two pole Winco generator and an 8 hp Wisconsin, and it works quite well. If I only used my boat to duck hunt I would've gone with a 2 stroke. I recently put a new filter seperator on that has the clear bowl at the bottom. I know many people who have the symptoms of:boat hesitates when you gun it. first off I disconnected the 2 temp sensors and jumped them together to make sure alarm works that's ok. What was the final decision on the problems Banjo had in 2011? Blocked jets? Sync and Link? Air leak? Bad fuel? Thanks. txt) or read book online for free. Yamaha outboard manuals ; You are invited to join our public Boat Repair Forum to seek assistance from other members. Please any ideas let me know. These adjustments require you to work in close proximity to the engine's moving parts, which poses potential safety risks. this is the motor in question as it sits on the back of the boat, the cavitation plate is about an inch above the bottom v on the hull. For six years it ran great without a wrinkle. Engine spark plugs are responsible for igniting an engine's air-fuel mixture, a process that creates engine power. Occasionally a little piece of something gets into the carburator and limits the flow of fuel to the jet. Computer analysis revealed 1 of 4 triggers under the flywheel that was bad, $150 dollar analysis, $10 part, $25 labor - haven't had a problem since. I hauled it back and forth to the shop that summer more than I hauled it to the lake. Ran the engine on ear muffs with the above items and de-carbed the engine per instructions on can. spark can fail to fire under. Chevy EFI Blue Monsoon engine. It runs great (idle, rev) in neutral. 4) No power or heat source to choke. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around. I pull the intake cover, crank the engine, let it run about 10 minutes to heat up, then spray until the engine nearly bogs down. Anything above that and they want to stall. I can tach to redline on the trailer, but as soon as the ski is in the water with resistance, I cannot tach past 5 grand. I also put on a new fuel pump and headed to the lake today. 2005 Mercury 9. Re: I hate my 4-stroke It could be a myriad of things but I have run into some pretty cheesy card rebuild kits recently. Replacing worn, damaged or loose fitting plug wires is recommended for improving ignition reliability. 9cu-in (244cc) engine that can produce 3500 electrical Watts, but the older style gen-end isn't quite as robust and I'd expect it to heat up eventually and put out less voltage. Put it on the lake, put it under a load, and it'd bog down horribly. Other times however it seems to bog down and can only reach 3000 rpm or so and 15 to 20 knots. but under a load it bogs down. 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. [The Evinrude 90-HP outboard] starts and runs great but under load she bogs and stalls. what's up? 2: Yamaha F25 bogs at full throttle: 2: 50 hp Yamaha 4 stroke bogs down: 0: Yamaha 70ETLW Bogs down and dies when tilted all the way down: 0: 1988 Yamaha 130 bogs once on plane: 1: Fuel Injected. This is almost only propeller which works on the HP Yamaha 4 strokes as has correct blade area so rev's easily and does not bog down like larger diameter propellers. I just picked it up at the beginning of the season. Read reviews and complaints about Yamaha Outboards, including their product line, pricing and more. Mechanic said everything else checked out ok. ? Specialized in Mercury, Honda, and Yamaha. Now the thing is if i keep pushing the choke it will rev up to about 5000 and seem to run somewhat normally. Injectors, pressure pump, - Answered by a verified Marine Mechanic. After sitting for an hour I cranked up to leave. (The 13p Solas Titan prop was the only one that would allow the motor to spin up to 6000 - the 15p would bog down around 5400 rpm. This is getting. 3 & 4 Cylinder Engines. Your description sounds like fuel-starvation at idle. yamaha 25hp problem but it wasn't getting enough fuel and it would fall on it's face under load. If eco throttle is on, and hence the generator is idling under no load, the saw itself "stutters" when you start it up. In the past, I had been offshore running wide open and RPMS would drop say 200-500 rpms every so oftentook it in, got it servicedchanged fuel filters (not the VST filters thought!!) but it fixed this problem in the past. I also noticed the tachometer bouncing on me a few times. It is still rideable but sometimes when it happens it is always at the wrong time. Engine cuts out/bogs down at higher RPM's Found that under filter was a screen that I didn't check before. its strange. I went to full throttle and trimmed the motor to plane the boat. I was thinking maybe OVP, or the fuel accumulator by the fuel pump. 4) No power or heat source to choke. You can test the Mercury power pack in either one of two ways; one method requires you to use a multimeter, to test the power pack directly. Out of gear she revs fine. After 50 yard of being on plane [the 2000 Yamaha 225-HP Ox66 outboard] bogged down and stalled dead. It has been running great the past few weeks. I tried to trim the motor and it worked, I throttle again and the motor went down and. cleaned carbs with cleaner and air pressure. It is still rideable but sometimes when it happens it is always at the wrong time. By the way, my boat runs 22 mph @ 5600 rpm with the bimini top up. If your vehicle is behaving erratically and you have problems with it running smoothly, it could be showing signs of ignition coil failure. Tigershark. just got this outboard last year for a steal, $200 bucks! Previous owner said it ran last he used it except it sat for years. When I hit the throttle the engine felt like it was bogging and would barely plane off. Light them up. I have an issue with my 2002 Yamaha F40. Home; web; books; video; audio; software; images; Toggle navigation. When under this type of load motor slowly starts losing power until basically none. All four times it has bogged down (3 prior to maintenance and 1 after) was after towing the boat to the marina (about 20 miles). Stored over the winter, slow starting so I added B-12 chemtool to the tank to dry any water. 2 stroke bog when suddenly givin full throttle put shit load ethanol stabilizer in it it at all it kept bogging down like it was getting WAYYYY to much fuel. I just took my boat (and engine) out for the first time today. 6e hatchback) lost power (about 500rpm in a bursty rhythm) after I re-ignited on a traffic light, the engine started shaking, and I could smell liquid fuel. Anything more than 2500 RPM's and it sounds like she is "bogging down". A Mercury outboard that idles rough and or stalls might also hesitate upon acceleration or run uneven or surge when accelerating. This is getting. Update- well, changed the filters and the boat ran great. 3) Replace the power valve. Came with the original 1999 Johnson 50 HP, electric start/trim, remote throttle/steering. I tried to trim the motor and it worked, I throttle again and the motor went down and. Ive checked. You should read 14-15,000 ohms on stock switch boxes and 9,200-9,800 ohms on racing switch boxes. Motor Runs great bogs down under load. We would return to idle, let it smooth out, run up again and it would run a bit then bog again. Out of gear she revs fine. So he replaced the reed valves and that fixed the problem. Dont Ask Returns Superhunky Answers Reader Questions: : Rick Sieman s dirt bike Q amp amp A column returns to tackle questions on the Yamaha TT230, Honda to where the bike does not detonate or. All connections look air tight. New Boat Motors at Discount Prices. I know many people who have the symptoms of:boat hesitates when you gun it. I have a 90 Yamaha that bogs down when put in gear and dies. Engine bogs down and quits at full throttle and/or under load. I idles fine and cranks with ease. The blind needs to have enough ‘tail’ to flow back under the vehicle, about as far as the axle centre line, and sufficient width to cover the entire front of the vehicle. html http://www. So, even though these mounts are small, they play a large role in the overall functionality of the heart of your vehicle. 2 stroke bog when suddenly givin full throttle put shit load ethanol stabilizer in it it at all it kept bogging down like it was getting WAYYYY to much fuel. I have two 225 Yamaha 2 strokes and I fog them every winter. I use CRC fogging spray, from West Marine. Reduced Power - Sluggish at certain RPM's. As the engine started to bog down, I noticed the motor went down by itself and I could not tilt the motor up. ok the battle continues. I've been having problems out of my 1995 Mercury outboard [accelerating under load]. It was winterized prior to the sale. Insulator may be white. pdf), Text File (. One person suggested that not all cylinders were firing, and another suggested that the prop pitch was to blame. Yamaha has built in a fail safe that you can only run a certian RPM before it will Bog down as you say. I have run the motor trimmed all the way down as it is worse trimmed up at all. even up to 2500RPM without issues. 50cc Scooter Bogs Down At Full Throttle. Re: I hate my 4-stroke It could be a myriad of things but I have run into some pretty cheesy card rebuild kits recently. Okay Folks, here is my dilemna. When in the water and I throttle up, the engine bogs down and cuts out. Carbs have been cleaned twice. The reed valve can be temperamental. Took it out Friday, ran fine at first for 15 or 20 minutes then dropped from 4300rpm down to 3000 to 3500 and wouldn't go any higher at WOT. Here are some basic symptoms, some duplicate. Started and ran great in neutral or at low speeds, but under a load - bogged right down. When I began to come off the throttle, the engine started to sputter and die at 3000 RPM. As the engine started to bog down, I noticed the motor went down by itself and I could not tilt the motor up. Outboard Motors For Sale. Finally, handling should be easy and steady under most conditions. That revenue might be enough to pay for their bene-fits. Runs an hour every month with all the load I can find, often a 700 watt space heater. Also cleaned out sand and. Based on timing check results we could be up for a replacement micro-computer apparently. Runs like new until I have to go through say a no wake zone, where you are plowing water like 10mph for any length of time. Carbs have been cleaned twice. No change whatsoever. Strikemaster Laser Mag rides again!! It starts fine and will run for awhile but will bog down and eventually kill. You also want to cruise at an enjoyable speed without allowing the engine to over-rev - or conversely to bog down - and without having to use a lot of throttle to obtain a decent cruise speed. It appeared to be working itself out but then quit. I have an issue with my 2002 Yamaha F40. 2004 Mercury 2 stroke won't rev up under load The fuel pump seems to be pumping fine, took of the hose and saw it shoot gas. It will explain how to use CDS data to determine what the FSM system is doing and how to use that data to diagnose an FSM related problem. The motor starts easily and idles nicely. There was a big clonk and although we got under way the engine sounded really bad. yamaha outboard no spark yamaha waverunner port timing in degrees yamaha waverunner post support yamaha outboard multi function arm yamaha outboard mtor owners manual yamaha waverunner problems yamaha outboard nema yamaha waverunner pro lanyard yamaha zone 2 rx-v557 not working yamaha outboard motor retail pricing yamaha outboard motor. 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. I will be running mostly either 2 adults with a little kit. Put it on the lake, put it under a load, and it'd bog down horribly. When I hit the throttle the engine felt like it was bogging and would barely plane off. Pretty scary, huh. F225 bogs down. Last time I had my boat out, it was very reluctant to start (usually starts on 1-2 pulls). Honda EU2000i; bogs, quits under microwave load Model numbers are gone, sorry: purchased new in 1999/2000 and used a lot since. In gear it will run at around 2000 rpm, and occasionally rev up to 3-4000 rpm for a sec, and die back down to 2k. Mercury service manual 40-50-55-60-90 - Free ebook download as PDF File (. 2004 Mercury 2 stroke won't rev up under load The fuel pump seems to be pumping fine, took of the hose and saw it shoot gas. Then I resta. This is getting. A serious student of the Honda outboard, Jacoby knew exactly what I was talking about when I mentioned a bogging BF90, and had some advice for BF90 owners: Get the revs up: "The BF90 needs to be propped to run 6000 rpm at wide-open throttle, and that's with a full load of fuel, gear and passengers," said Jacoby. went out for a gentle spin today, before going out fired up as normal on the muffs for 2mins and then properly in the sea 20minutes later once launched, the engine under load sounds normal but has a metallic noise that comes and goes, it never used to have this noise, I tried to film it as best I could, didnt want to open it up for obvious. ? Specialized in Mercury, Honda, and Yamaha. At this time motor will begin bogging down - Also did it while running 10mph bow high negotiating rough water. 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. Motor runs great and revs to 5000rpms at dock but wont go past 2300RPMs under load. By the way, my boat runs 22 mph @ 5600 rpm with the bimini top up. Injectors, pressure pump, - Answered by a verified Marine Mechanic. What makes an outboard boat motor run great and rev up in idle and then bog down and sometimes die when-? and/or under a load. When I did get it started, it too would bog down when I gave it gas. Ran great afterwards in the bucket. They tend not to be used on dusty roads very much! *See below* Couple of other things worried me into asking if you are running this engine out of the water. What could be going on? It is a 1998 Mercury 200hp carb motor. It will not get past 2000 rpm's. last night i was try using 17. Not sure if boats are same, but should be within a couple deg. What would cause it to bog at high speed. It can zoom in anywhere on your computer, so you can see it clearly. On the hose I can run it up to full RPM, but in the water (under a load) it will " bog down". Last time I had my boat out, it was very reluctant to start (usually starts on 1-2 pulls). The severity of the. How to fix Out board bogging down Tyler Roberts. 6) If you’re trying to track down a jetting problem, don’t change your premix oil brand or the ratio. html http://www. These 3 items cover most all complaints when you DO NOT have dark or black smoke to break this down to the next level: LOW POWER / LOW RPM AND YOU HAVE DARK SMOKE: Propping issues: You are OVER PROPPED (overloaded or under powered in the vessel’s current configuration – call it what you like). Also cleaned out sand and. If it idles fine but it bogs down with throttle, your high speed gas jet is probably clogged. More torque too, 4 strokes don't bog down with a load like 2 strokes do. Hey everybody, My 86 300E bogs at 3000 rpm under full throttle. Took it out Sunday afternoon, worked great for about half an hour. It runs great at high speed and never bogs out. When under this type of load motor slowly starts losing power until basically none. Evinrude carburetor adjustments should be made with the motor on the boat and underway. It does not bog down or smoke like it is getting to much fuel or air. Get the best deals on Motorcycle Stators, Magnetos & Parts for Yamaha when you shop the bike won't bog down or lug as badly if you happen to short shift. If I pull over and stop, sitting on the shoulder, idling, I can manually throttle it up - not under load - and it throttles up fine (motor revs like you would expect) - but if it is under load (in gear) - at a stop sign, let the clutch out, try to get up to speed - anymore than 5-10% throttle and the motor will stop responding and it will not. Motor Runs great bogs down under load. 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. I know this has been addressed before but just to throw it out there again. Only when under sail alone and is crossing the path of the powerboat. Finally, took it to a mechanic that put it in a big giant tub of water and strapped it down, where he could simulate being on the water. fishingandboats. After carb change works good for a month or 2 and then back to same problem. Incorrectly gapped spark plugs can negatively impact engine performance. shut down, as it often is, and rude people block the inter-sections on U. Guys I need a little help heregot a yamaha ox66 200hp EFI with low hoursless than 500. I bought a 2003 Yamaha 40-HP four-stroke yesterday and ran it for the first time today. Pretty scary, huh. its strange. I take off again and same thing runs under throttle for 10 to 15 sec then starts cutting in and out. More torque too, 4 strokes don't bog down with a load like 2 strokes do. As the engine started to bog down, I noticed the motor went down by itself and I could not tilt the motor up. It still wouldn't work, so I replaced the ignition coil and spark plug (resistance wasn't reading right). boat surges and slows or has trouble accelerating over a certain speed. Yet under load, the engine could bog, backfire, and run like poo. Power valve blown out by spitback up through carb. Runs like new until I have to go through say a no wake zone, where you are plowing water like 10mph for any length of time. It is used to. New pump, hoses, connectors. Could baby it up on plane with no weight in the boat. When are the lights coming on in the South Beach parking lot? We have been groping around down here in the dark since May. Find the user manual you need for your lawn and garden product and more at ManualsOnline Craftsman Snow Blower 536-90501 TB4 bogs down under work load | ManualsOnline. I wish I had shot video and had more specifics. We all know what an automatic transmission is, basically—very basically, at least—so I'm not going to bore you with the details about how it converts power. Remove mounting bolts and remove fuel pump. If I let off the throttle it would come back to life and then run fine if I accelerated gradually. Idle is fine but when I [rapidly increase the throttle the motor] has no power and dies down. When high performance turbo engines are under load they use an excessive amount of fuel which then is transferred into the exhaust system once the throttle is let up on and the engine is de-accelerating. yamaha outboard jet, yamaha outboard bogs down under load, yamaha outboards. From UTV sand tires to mud tires for your ATV, this catalog from Chaparral Motorsports is loaded with pages and pages of tires and wheels for all ATV/UTV makes and models from manufacturers such. Over time it has progressed to the point now that it will not pick up at all. One person suggested that not all cylinders were firing, and another suggested that the prop pitch was to blame. When in the water and I throttle up, the engine bogs down and cuts out. Now, kicks over first time, revs great, but as soon as you release the clutch (in gear) it goes for about 3 feet, and just slowly bogs out, as if running out of gas. When I started it to head in to the dock, it bogged down under load. Engine spark plugs are responsible for igniting an engine's air-fuel mixture, a process that creates engine power. We have a 1999 Malibu Response with a 350 cu. There was a big clonk and although we got under way the engine sounded really bad. Clean your carb and spray carb cleaner in all small passages, make sure air can flow through all ports no matter how small. The R-23 is a new design, not a modification of another vessel in the line. Possibly damaged by a backfire condition. belt routing. Mariner & Mercury Outboard Motor Service Manual 1987 to 1993. My next step is to grab an inline spark tester and check for spark to try and Eliminate as many issues as I can. 3) Replace the power valve. 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. Help!-60 HP Mariner Troubleshooting I give it some more gas it bogs right down and quits! and run like crap under load because a power pack or coil was. 03 Yamaha 90 2-stroke bogging down and won't plane boat-please help and I can't see if what I'm doing is working until the boat it under a load. Ive checked. If you load the front up with 400 lbs. 50cc Scooter Bogs Down At Full Throttle. First, let's pinpoint exactly what's going on. On the hose I can run it up to full RPM, but in the water (under a load) it will " bog down". How to Properly Flush a 2 Stroke Jet Ski/Sea Doo/Waverunner/Personal Water Craft. but same, i feel the engine so rich while running low. Usually, when opening the throttle, if the engine bogs down the problem is usually a too lean situation. Installed by a yamaha service dealer. at the end of the season it felt like it was running out of fuel priming the bulb kept me going. fishingandboats. html http://www. An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. What makes an outboard boat motor run great and rev up in idle and then bog down and sometimes die when-? and/or under a load. When I pull off slow, it pulls off fine but as soon as I put throttle on it bogs down and cuts out. if you look closely the water line at rest is just under the lettering. After a minute sitting it is empty. If the plugs are worn or gapped to wide, they may misfire under load. I'm not a certified mechanic in the least. With that said. I just ran the boat. But after a while it will suddenly lose power (bog down) and start dropping speed down to 65. I am a new C-Dory owner, but not new to boating. It runs great (idle, rev) in neutral. The reed valve can be temperamental. [The Evinrude 90-HP outboard] starts and runs great but under load she bogs and stalls. so it CAN affect the high speed operation as well as the rest of the rpm range. It has been running great the past few weeks. If I hurry and throttle back to idle it will stay running. But, I'm learning to sit back, set the Yamaha at about 4000 rpm- about 12-14 mph and accept the fact that this is going to take a while- but not very much effort. i noticed there was water in the water separator. Yamaha outboard manuals ; You are invited to join our public Boat Repair Forum to seek assistance from other members. marineengine. I bought a 2003 Yamaha 40-HP four-stroke yesterday and ran it for the first time today. Why boats break down, and how you can prevent it from happening to you. Remove and replace old check valves. Two stroke motors are VERY touchy in the tuning process, if they run too rich, they bog down and quit. If it idles OK when you choke it, and doesn't load-up and bog down, that would indicate that your 'normal' idle condition is lean, and that enrichening the. Mercury 50 1987 bogs down when full @ full throttle 13 posts Sep 12, 2013 Motor Runs great bogs down under load. My next step is to grab an inline spark tester and check for spark to try and Eliminate as many issues as I can. Then when I went out for the third time it ran fine until I shut it down to float for a while. Re: I hate my 4-stroke It could be a myriad of things but I have run into some pretty cheesy card rebuild kits recently. Only way to go, if you want them to run perfectly in the spring. Yamaha 2 stroke. (We figured that out when a mechanic looked at it later). Your Yamaha Bruin 350 service manual repair 2004 YFM350 correspond with the number of pages printed on it in this manual, very easy to use. Last April I got my first motorcycle, a 1980 Yamaha Enduro DT-100. Hey Guys, I have a 1997 Merc 4-stroke 50 hp tiller motor and while out fishing this past weekend, I hit some rough water (not sure if this even has anything to do with it) but was going full speed hit the waves then I reduced the speed, until calmer water. A carburetor is a carburetor - if you're comfortable w/the carbs from your old 2-stroke outboards, this one shouldn't be a problem. If your vehicle is behaving erratically and you have problems with it running smoothly, it could be showing signs of ignition coil failure.