Jun 5, 2024 · Simply twist it open and monitor your engine for improvement. It’s positioned inside the engine bracket 25 HP PORTABLE. I have a 2001 Yamaha 4 Stroke 40hp. #1 · May 26, 2010. yamaha has a fuse under motor cowling on port side down by the fuel pumps,it is in a water tight fues holder. Check fuel pump pressures when you accelerate and run at slow speeds. Sep 10, 2011 · Problems with carb on 8 HP 4-stroke. Failure Issues With The Harmonic Balancer (HB) The Harmonic Balancer or HB is a part of the engine that acts as a shock absorber to remove any unwanted vibration caused by the crank-shaft movement within your engine. Another common problem that occurs with the Mercury 50 hp 4 stroke engine is power loss. Just bought my second Yamaha outboard, a 2005 F8MSHD. There is no water coming out the tell tale spurt but there is lots coming out at the base. Long story short, this engine wont accelerate. Yamaha 250 Oil Pump Problems. F115 four stroke cranks, but won't fire. 10 hrs on engine. m. Re: 2006/2006 Yamaha 200 HP 4-Stroke Engine Problems. An F60TLRC (2004) would have carburetors. Motor runs fine full blast, but shakes the crap out of you and back fires in low rpms. The only reference at all to a choke is in your control linkage. Thank you. Re: Problems with my 225 4-stroke Yamaha. Mar 16, 2008 · Tweet. Check to see if the main fuse has blown on electric-starting models. 09-10-2011, 07:43 PM. Got this boat on Friday. Use the Yamaha outboard's starter. There are 3 carburetors ( 3 of them) which have 06-29-2009, 10:03 PM. I was recently running my boat and I was getting about 5100 RPMS at the start. Runs great, except yesterday it shut off at 3600 RPM’s while cruising. 2 Problem #2: Overheating. 2 problems: (1) to start this motor, I must put thumb over the air intake of carb. if the fuel pump starts sounding like a bad lifter in an old chevy look for fuel restrictions or airleaks from the tank liquid level and the ful pump inlet. This option is the perfect choice for a mid-sized craft, with lots of bang for your May 30, 2023 · Mercury 4-Stroke Outboard Troubleshooting: Expert… Mercury 90 HP 4 Stroke Problems: Troubleshooting and… Mercury 40 HP 2 Stroke Problems: Troubleshooting… Volvo Penta Problems: Common Issues and Solutions… Addressing Yamaha 25 HP 4 Stroke Outboard Problems:… 20 vs 25 Shaft Outboard: Choosing the Right Length… Apr 17, 2019 · Yamaha 200 HPDI Problems. The symptoms were that all was normal while the engine was working hard. In other words, they’re up for anything, making them the perfect power for cruising, skiing and sport fishing on flats, decks Jun 17, 2008 · 45,907. Aug 20, 2014 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Sep 1, 2021 · I have a 2014 Yamaha 250 4 stroke with 700 hrs. test the check valve between the electric lift pump and VST. Leter in day, it did the same thing. Here's what I've done so far: - Pulled on cord until shoulder was sore (turns over but doesn't spark) - Verified fuel is getting to carb. 4. Prompt attention is crucial to prevent further complications. Tangled Propeller. If it is a connection or corrosion problem, you will have fixed it by tightning and or cleaning the connections. hello<br /> check the fuel pressre at the pressure rail while the problem is there. 3:1. 11-16-2016, 01:00 PM. Aug 14, 2010 · Re: Yamaha 90HP 4 Stroke - Intermittent Starting Problem Re: Yamaha 90HP 4 Stroke - Intermittent Starting Problem Thanks for the reply and advice. 3. The motor ran perfect until this year. At low throttle, I have run the motor for 40 minutes with no problems. Dirty Filters. Messages. They changed the filter and oil,restarted engine and found no oil pressure. Good compression. Read this manual carefully before operating this outboard motor. After a 1/2 hour rest it starts and then dies after 3 minutes. The engine weighs in at 487-pounds. Step 2. He is out of ideas and unable to get in contact with Yamaha techs. One of the first signs that the powerhead isn’t getting enough air or fuel is when the motor stalls, particularly when idling. R. Variable Trolling: The F115 features Yamaha’s Variable Trolling RPM Switch (VTS ®). 06-28-2015, 01:01 PM. I have a 2003 115 HP Yamaha 4 Stroke outboard and it sounds like I am having the same problems. The new F20 now comes with both battery and battery-less Electronic Fuel Injection (EFI) options, for enhanced fuel Mar 5, 2022 · In this video we take a close look at the Yamaha cold start enrichment valve used on carbureted Four stroke outboards. From cold, the motor starts easily and I have to push in the choke right away. The fuel line was hooked to a auxillary tank and taken out on a lake where the problem occurred again. Then you will need to use your meter to then follow the wiring from the relay. 14-foot aluminum fishing boats. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Yamaha Four Stroke 20HP Outboard Engine. Jun 17, 2008. My daughter bought a used boat with a Yamaha 200HP HPDI in February and has constantly had problems with the engine losing power. Yamaha builds a quality product. Recently, shuts off while cruising 3400-3700 rpm’s. It will go from 2000 RPM's to 1000 RPM's with the slightest touch. 5 minutes after putting in water the overheat alarm sounded. Yamajoe, It seems that the regulator also was burnt in the fire but according to the guy at the dealer it probably stared on one of the relays, find that hard to believe but that is what he says. Model #F100 TLRX. The F90 is a lower state of tune in the same hardware as the F115, so it is heavy. b. 9 electric start 20 inch 4 stroke in pretty good all original condition for a hundred bucks. Mechanic cleaned carb three times, good compression, replaced plugs,fuel filter,fuel tank,fuel line,checked timing,and replaced stator. Only 111 pounds (15” shaft model The Yamaha 50hp Midrange four strokes are the go-to outboards for family, fishing and fun. The accelerator linkage (#20) attaches directly to a choke lever (#19). Started the engine and alarm sounded. Nov 18, 2009 · Anglers and boaters have a choice of 200-, 225- and 250-hp models in the Yamaha V MAX SHO line. If the issue goes away, you know the problem is water in your tank. Jul 14, 2020 · Tweet. - Have not been able to get spark: pulled plugs, grounded them, no signs of spark. Yamaha's 432cc all-new 20hp portable outboard-built on the same award winning platform as the F25 and sharing its SOHC in-line design and streamlined intake manifold, delivers solid power. I flushed the fuel system, checked the thermo switch, and the block temp sensor, gave it fresh fuel and when I try to accelerate, it stumbles, misses and backfires, it wont go on plane. I use the motor for walleye fishing *****ing at 1. Yamaha 40 4 Stroke problem. Each time he fixes something, the boat Feb 12, 2017 · Tweet. The trim and tilt motor on my one motor keeps falling down slowly (Yamaha 90hp). Re: Yamaha 115 4 stroke loss of power. Apr 18, 2024 · Engine Type: Yamaha T9. Also if the engine is warm and fails to start, open the throttle a same amount and try to start the engine again. Clean the carburetor. May 13, 2003 · 4. The oil pump and the oil pump seals are known to give problems on the Yamaha 250. Common problems that are easily fixed to cure stalling at idle speeds are usually a weak primary electric fuel pump or fuel level in hose dropping back into fuel tank while primary pump is in OFF mode. I have a 2006 T25TLR 4 stroke motor and its having accleration issues will not take fuel from 2800 to about 3400rpms will run under 2500 fine and if I power up past 3500 it runs great up to 5500. 7 Problem #7: Electrical Issues. - Replaced plugsstill no spark. Jan 26, 2017 · 01-26-2017, 06:31 PM. . Jan 27, 2008 · Jan 27, 2008. I went through the carb, which was a little nasty, but now seems to be all good and clean. Feb 23, 2008 · Re: Yamaha 100hp 4 stroke 2007 - starting problems. I have attached the breakdown of your control linkage. Most builders use the same powerhead for both a 9. Check the factory water/fuel filter separator that on the front of the engine and see if there any water or gukk in it. If the engine does not start on the first try, repeat the procedure. See full list on partsvu. Oct 11, 2021 · Recruit. The high-thrust FT60 has been specifically designed to provide the extra grunt when you need to move big loads such as sailboats and heavy pontoons. Jul 4, 2023 · Regular maintenance is crucial to prolong the life of your Yamaha 25hp 4 Stroke Outboard engine and to avoid most of the problems discussed above. Hi all, Newbie here (to this forum anyway). Light and powerful, they sport 1-liter displacement, single-overhead-camshaft designs and electronic fuel injection. Feb 16, 2015 · 02-16-2015, 09:26 PM. Their single-overhead-camshaft, two-cylinder designs create power to weight that’s not only eye-opening—but in the case of the F25, it’s also class-leading and category jumping. I would appreciate any comments you many have on these 2004, 200 hp engines. Starts right back up and runs fine for an hour or more. My diagnostics and what has been done. Check the Fuel and Air Filters. It is light for a 2 stroke 90, but it is also small displacement for a 90, so it won't have the low end torque of the bigger-inch 90s. 9 - 4 stroke idle problems. Photo by Yamaha. Yamaha F70. The main symptom of exhaust corrosion in the Yamaha F225 is overheating at idle. 05-27-2009, 05:49 PM. Replacing Yamaha Outboard Water Pump Impeller Sep 12, 2004 · Messages. If I use my hand for leverage against the cockpit, I can Aug 1, 2009 · Jul 31, 2009. I have a 9. The in-line four-cylinder designs and electronic fuel injection make these 200 HP Outboards strong, nimble, compact and light weight. #5. Sep 12, 2004. I then slowed down to about 3500 RPMS. Jul 11, 2020 · 2006 90 hp 4 stroke power loss. From the fuel filter inside the motor follow the fuel line to the mechanical fuel pump, from there follow the line to the vst tank. Motor was running great. Sep 15, 2019 · Do this only after draining the VST and fuel filter cup. It is designed for small bass, bay, and multi-species boats. Had no problems at all until December. I’ve changed the plugs and fuel already. Done this at least 10 times. Nov 19, 2007 · The F20 Yamaha is the way to go. Before understanding how the whole issue can be fixed, take a quick glance at all the causes and cure below. The Yamaha 115 4-stroke engine is reliable and high-performing, but it can still experience issues, such as a faulty head gasket. If your outboard motor isn’t running at its best, check the fuel vent on your portable tank to make sure it’s open. Whenever you hit the up or down trim button. also test the fuel system vacum as per the yamaha tech servive manual (not engine service manual. . At this stage we are looking at around +$1500 repair and with the engine being one month out of a Apr 19, 2014 · May 2, 2014. if the fuel pump diaphram isnt broken and leaking gas into the oil pan dont sweat it. 9. Hi everyone, I have a Yamaha 25 HP 4 stroke (F25MSHA) #152615 year bought 2002. There are no particular known issues with any F60's that I am aware of. Will not start unless I use the priming bulb. Looking for advice on what the problem could be. I used it first time last year and after running perfectly it suddenly wouldn't start (on a morning where it had been running fine). Test drove the boat and it ran good before I completed the purchase. Reason. Seems like electrical issue. 6 Problem #6: Oil Leaks. Carburetor fuel issues are more problematic than fuel injection fuel issues. I pulled the plugs and cleaned them to no avail and eventually after checking as much as possible took Where you can disconnect them and then use a voltmeter to see if there is 12vdc present there. I bought a 1987 Yamaha saltwater 9. If there is not voltage there. This is due to the outboard’s 1. Maybe this can Aug 1, 2020 · 1999 100 HP 4 stroke. 9-hp and a 15-hp model, and then skip up to a larger powerhead for a 25 or 30 hp rating. 2011 25 hp yamaha 4 stroke approx. 02-12-2017, 03:49 PM. After running for about 15 minutes it dies and cannot be restarted straight away. 25 HP PORTABLE. That’s over 100-pounds less than the other 200 hp Yamaha offering, which is based on their 3. For sure, as BaileyBoat said, I'd be putting in a proper water\fuel separator as well. I thought it might be the "kill switch" and cut the white wire to that, still won't fire. d. Hook up a fuel pressure gauge to the fuel rail to monitor the pressure that the injectors "see". The impeller had nothing left for vanes. 03-16-2008, 07:40 PM. After it starts it will run for a few minutes then quit. Good spark, Cleaned fuel filter and lines and tank. A good engine Feb 17, 2015 · Liljonboat. My Account. I do have a separate 10 micron water separator filter and I also have run a high end ethanol treatment as well as a fuel stabilizer. book 1 ページ 2018年11月8日 木曜日 午前9時35分 With the option of a 25-inch shaft for all of our I-4 V MAX SHO outboards, anglers prowling big waters on multi-species, bay and flats boats have a competitive edge that runs deeper than ever. 9 HP 4-stroke that is having starting issues, it's turning over but not firing. It is 114 lbs or 52 kg. It is available with manual or electric starting. I have checked all the diagrams for your engine trying to see if there is or is not a manual choke. Runs bad or cuts out when open throttle. 4 liter V6. 56” bore x 2. Jun 6, 2012. Not really dirty, just the usual carb cleaning job. 27 posts · Joined 2009. Your engine is being eaten away by the corrosive effects of the exhaust. 78” x 3. Water pump was last replaced in the fall of 2015. They deliver quick starts, high performance and incredible efficiency for aluminum fishing boats, pontoons and fiberglass boats. Philips500 Discussion starter. If your boat doesn’t have a portable tank, but instead an integral tank with a fuel vent that’s plumbed to the outside of the boat May 14, 2021 · I have a 2014 Yamaha 250 4 stroke. Bad Spark Plugs. 07-11-2020, 12:34 PM. #5 · Feb 17, 2015. 9 EXHY. Hello everyone, first time posting here. 9hp 4-stroke not starting, bad/no spark. motor shakes bad at idle but smooths out around 1500 rpm. Also, when the issue happens again, open the fuel tank cap to see if the issue goes away. Up into the system to figure out where you are losing the voltage. Sep 12, 2004 · Messages. 04-17-2019, 08:46 PM. Within 30-60 seconds of accelerating to medium/full throttle, the motor dies over a few seconds. 56” stroke, displaces 432cc, and has a compression ratio of 9. com Step 1. 450 hours Has been a great running motor for many years with nothing but preventative maintenance things completed each year as required. multiple back fires in intake up to around 3000-4000rpm. Inspect the fuel filters and the air filter too if your outboard has one. Faulty Head Gasket. well, it IS normal - for a pre-2006 F225 operated in saltwater. Make sure the outboard is fully primed with fuel. I bought a skiff that had a 2008 Yamaha 50Hp 2 stroke on it. The most powerful engine in this model group, the F200 displaces 2. Restarted, no problems, ran fine. Carb disassembled, soaked and new parts kit put in it. there isn't any electronic oil presure regulation on that motor. Aug 5, 2008 · Jun 1, 2010. Not enough of it! There are more specific symptoms through which you can diagnose your exhaust to be corroded. Sign In Jul 25, 2015 · I have read articles on major corrosion problems with the 2000-2004, 225 hp 4-stroke Yamas. It’s electro-hydraulic, meaning an electric pump moves hydraulic fluid upon command from the operator, tilting the thrust angle out or in. That was already done in the original diagnosis. Malfunctioning Fuel Pump. This is my neighbors boat. When I try to accelerate ever so slightly, the RPM's jump by 1000. Jul 17, 2012 · 07-17-2012, 01:15 PM. c. The compression ratio is 10. May 14, 2013 · Re: 2008 Mercury 20 HP 4 Stroke Oil Warning Light Your problem is low oil presure. 5 Problem #5: Stalling. Sep 29, 2017 · 9. If it is an accessory, you will have discovered the problem, Count on Yamaha’s reliable 200 HP Outboard In-Line four stroke to power the fun. Anyone else seen this ? Not sure what to check. 06-16-2018, 09:27 AM. When I tried to throttle back up to full throttle, I could only get about 4400-4600 RPMS Feb 26, 2019 · Yamaha F200. Jul 22, 2010 · Re: 2006 Yamaha 90 4-stroke problem. Starts and idles great. Jons. I put one in my boat and run the big motor and kicker through the Nov 27, 2007 · I own a 2002 GW with twin 225 hp 4 stroke Yams,in talking with other Yammy owners I am hereing more & more about this corrosion problem, mostly with the engine mounting plate which sits on top of the oil pan & the exhaust port/water jacket tube also located in the same area of the engine, what is happening is severe corosion to a point that over time the metal will break down to a point that Apr 20, 2023 · Problem 2: Power Loss. 1 Problem #1: Hard Starting. Always runs great. 25hp 4 stroke Carb Problem. Nov 4, 2022 · It is mostly recommended that people clean the engine frequently to avoid this problem. - Verified fuel pump ispumping. The Honda doesn't have as many dealers to support you. Squeeze the primer bulb a couple of times to prime the fuel pump. Yamaha mechanic checked engine and everything checks out ok. Debris such as fishing line, excessive seaweed, beer can rings, or nearly any other material can wrap around the propeller and its spindle. Jan 30, 2007 · Yamaha introduces some new features and fills an odd slot in its portable outboard line with an all-new 362cc twin-cylinder four-stroke motor offered as a 15-hp F15C and a 20-hp F20. 2. The I-4 V Max Sho Series Yamaha outboard ranges in horsepower: 175HP, 150HP, 115HP, and 90HP. In between the pump and the vst is a strainer, replace that and you should be back to new. *. Replace the Pump Impeller. A repair will require the removal of the powerhead from the lower casing, and then you Yamaha's 20-hp portable outboard, with its SOHC in-line design and streamlined intake manifold, delivers solid power. Jun 24, 2021 · Faulty Impeller. 12-20-2016, 11:12 AM. #1. When I accelerate the engine it seems not to fire on all cylinders ( IT shakes) through about 1500 rpms - then it runs fine as the boat comes to plane. After a few hours of *****ing the motor just stalls. Nov 16, 2016 · 2004 Yam 150 4 stroke problem. The engine has an external flush port, plus built-in carry handles and rest pads. I have a 2006 Yamaha F250 TUR and I am having a difficult time controlling the throttle. also the relay is right there for your tilt and trim,and the start relay,check fuse ,check relay ,make sure your battery switched on, check for corrision on relay,it is start relay and tilt trim relay. I have a 2014 9. The Honda weights are listed below and are either comparable or weigh more depending on the model. 9 hp Cylinders: 2 cyl Shaft Length: 20" Steering: Tiller Starter: Electric Weight: 112 lbs Full Throttle Range: 5000 - 6000 rpm Displacement: 212cc Induction System: Carb Warranty: 3 years Package Included: Fuel Additive In-Line Fuel Filters Fuel Filter Elements Owner's Manual Jul 23, 2022 · Here we are going to answer in short. Aug 1, 2020 · 1999 100 HP 4 stroke. FT60. Excessive air bubbling can also signify corrosion build-up in the F255 exhaust. Her local marina mechanic has changed the thermostats, replaced the gaskets to the low pressure pumps and adjusted the cables. Yamaha’s F25 is still the lightest 25-horsepower outboard on the water—two stroke or four stroke. if it runs at all the HP pump is good 99% of Marine Mechanic: FieldServiceTech. #2. Nov 2, 2022 · Yamaha 4 Stroke Outboard Idle Problems: 5 Reasons with Solutions. Dec 20, 2016 · Puzzling idle issue on 6 HP yammy. Went from one fishing spot to another, and then another, and then it just wouldn't fire. At just 111 pounds, it’s suitable for lightweight craft such as aluminum fishing boats, tenders and inflatables. 12. The tank is built into the boat and never had a problem with it Jun 16, 2018 · Tweet. Jun 29, 2021 · It's a 2010 Yammy model F20MLHF pull start. Oct 14, 2011. 144 posts · Joined 2006. If the oil pump seals have failed, you will usually notice a film of oil on the water surrounding your engine or on the ground underneath. On the trim and tilt unit is a number 6H1-13, I am not sure what it stands for. Removed high speed tubes, idle valve before soaking. It has fuel injection. It is also commonly used in Mercury O The powerhead has 2. If the fuel pump isn't primed, the motor may turn over without starting. Jul 4, 2005 · Re: YAMAHA 2003 115 4 stroke Power Loss. Replaced ignition switch, still does it. didn’t dampen the excitement of testing the new Yamaha outboards. Oct 14, 2011 · New member. After a few stalling cycles the motor Jul 29, 2016 · A 2005 model year F60 would be an F60TLRD. I have a 2006 Yamaha 90 hp 4 stroke motor that bogs down and loses power after a few minutes of running. It starts and runs well on idle and up to about 1200 rpm. If the starter motor doesn't engage and the engine doesn't turn over, the electrical system may be at fault. SecretSpot said: I would try running with a 6 gal tank auxillary tank to eliminate the fuel system before the engine. Clean or replace the filters, and also drain any water from the fuel/water separator if you have one. Photo courtesy of Attwood. Waking up Tuesday to rain at 6 a. Nov 8, 2023 · The following are the 5 most common problems with Yamaha 150 outboard engines to look out for: 1. You have to get a good oil presure gage on it to see what the preasure is at idle and 2000 rpm. The New F20 EFI portable outboard, built on the same award-winning platform as the F25, sees many of Yamaha’s larger engine technologies introduced to this smaller engine platform. Nov 14, 2019 · Sounds like a carb problem. Gas sitting in carbs is super destructive. If your outboard motor will not throttle up, the issue may be as simple as a tangle. Jun 28, 2015 · Yamaha 90hp 4 stroke water flow problem and overheat 2011 F90 TLR. They determined that the plastic counterbalance gear was shredded inside the crankcase and the gear pieces blocked the Tweet. No pinched hoses, fuel filter is clean, primer ball pumps up, 1/4 May 5, 2023 · 1. In that case, you should have the tank emptied and then install the fuel/water separator filter. I have cleaned the carb it was not very dirty I need some help does the enrichment valve Aug 21, 2023 · 2. Get a carb kit for it and a carb to manifold gasket. 3 Problem #3: Excessive Smoke. Shut motor off. 8 liters and has a bore and stroke of 3. Jul 18, 2013 · Jul 20, 2013. Jul 31, 2009. #6. I went and did a 100 hour service on the motor by a Yamaha certified mechanic to be safe since I could not be certain of the hours on the motor and now I started the motor over the weekend for the first Jul 3, 2008 · Re: Yamaha 225 4 stroke fuel problem. It’s positioned inside the engine bracket Outboard Troubleshooting Tip 4: Check the Fuel. Dry Weight Tiller (Man) (S/L) 46/49 kg - 101/108 lbs. This can be caused by a variety of factors, such as a clogged fuel filter, a dirty air filter, or a faulty spark plug. First I cleaned out the carb and switched out the spark plugs. I Have a 2005 Yamaha 150 four stroke outboard on a 21' maycraft. When the engine experiences power loss, it may not be able to function at its optimal level, which can be Yamaha’s high-powered portables are redefining the expectations for portable horsepower, from the F15 all the way to the NMMA ® Innovation Award-winning F25. 150 HP 4 Stroke Counterbalance Gear Failure. If the engine fails to start after 4 or 5 tries, open the throttle a small amount (between 1/8 and 1/4) and try again. 0 to 1. motor WILL reach 5000 in neutral. Once you're sure the outboard is getting electricity, the next thing to check is whether it's getting any fuel. Having cleaned quite a few outboard carbs, I thought this one would be "no sweat". I am having a problem with my 40 HP 2004 Yamaha 4 stroke. 7 MPH. Clogged Carburetor. OWNER’S MANUAL F15 F20 LIT-18626-12-35 6AG-28199-3G-E0 6AG-9-3G-1E0. I have a brand new Yamaha 4hp 4 stroke outboard, but cannot run it at full throttle. Jan 13, 2004 · Jan 12, 2004. 8-liter displacement and DOHC/SOHC designs with four valves per cylinder, providing a lighter weight and extraordinary volumetric efficiency. It happens even more when I try to decelerate. Not only that, but it’s one of the most fuel efficient in its class. The strainer is simply restricting the amount of fuel Jun 7, 2012 · 6. I have had absolutly no trouble out of this motor until now. May 27, 2010 · P. 07-14-2020, 11:46 PM. if it runs at all the HP pump is good 99% of Your outboard’s power trim and tilt unit changes the outboard’s thrust angle during operation for maximum performance of both your outboard and your boat. As long as you’re sure that there is nothing clogged in the water inlet supply, the issue with the outboard not pumping water can be isolated to a broken impeller or a clogged outlet. On top of that, it has Yamaha’s oil-retention system that keeps things leak-free when the engine is laid down in the back of a pick-up or SUV. The engine is 7 years old and began to have overheating problems. Any ideas? Thanks Aug 5, 2008 · Jun 1, 2010. Normally rpms will reach 5000 and 45knots. Solution. On top of its impressive speed, it features Oct 18, 2021 · The Yamaha F115 is a great 4-stroke outboard motor which constantly receiving high marks for reliability, longevity, and performance. I pulled the plugs and cleaned them to no avail and eventually after checking as much as possible took Jun 13, 2016 · Anyways here is my issues: Yamaha 2003 T60TLRB (4Stroke,60HP) 1. 9LPHB High Thrust Four Stroke Horsepower: 9. Dealer determined low oil pressure. On first trip out since about august, I noticed boat was not reaching full rpms or speed. you will also wish to record the data on a laptop at high speed to see if the knock sensor or anyother A new tilt stop lever on the In-line Four V MAX SHO® 175 and 150 preserves the hydraulics by taking the pressure off them during maintenance, trailering or extended storage. Yamaha 50hp 4 stroke Outboard FT50 overheating problem solved. The I-4 V MAX SHO 115 is Yamaha’s fastest 115hp four stroke, ever, with a top speed of nearly 51 mph. No water coming from pee hole so removed lower end and replaced water pump-entire kit. Talk to the seller. Apr 22, 2023 · Contents hide. Hi there, I hope someone can give me some advice. This trip could not get over 3800 rpms or 30knots. By following these steps, you will a. 1. Re: 2004 Yamaha 150 4-stroke RPM/bogging down problem. Drove it home (About 300 miles) and took it out on the water a few days later. Faulty Carburetor. Starts fine, idles and no wake speed runs fine. This includes the fuel system, the cooling system, and the electrical components. Jun 12, 2005 · Now it starts first time when cold. restarted, ran fine again. Request a Quote. This allows for precision adjustment of trolling speeds in 50-RPM increments, from 650 to 900 RPM for the 115hp. 4 Problem #4: Poor Performance. SEARCH YAMAHA. Test boat's fuel system with clear fuel line temporarily installed on lift pump inlet and Tee in a vacuum gauge. The air was cool but not cold, and the rain was spitting and misting on the 45-minute drive to the test facility in Bridgeport, Ala. I recently acquired a new to me boat and am trying to trace down some engine problems I am having with it. #3. Owners need to be aware of the signs, like engine overheating, white smoke from the exhaust, and loss of power. The problem is that it will start and run fine until put under a load in the water. Readjust the carburetor. Isolate the problem to engine, battery, or accessories. Utilising a dual-thrust design the FT60 produces twice the thrust of comparable two-strokes within the 2,000 to 3,000 RPM range, while delivering Yamaha’s the legendary May 20, 2017 · 2004 25HP Yamaha four stroke outboard model number - F25ELHC Motor is mounted on a 16' 9" 2004 Smoker Craft - Motor has appr. Re: Reputation & reliability of 90hp Yamaha? The 2 stroke Yamaha 90 is a great engine. Its portable design and class-leading power-to-weight mean 25 horses can boldly go where they’ve never gone before. If it is a battery problem, you will fix it by replacing the battery. Regular Inspection: Inspect the engine regularly for any visible damage, leaks, or corroded parts. 79”. 8 How to Care for Your Yamaha 115 4-Stroke Motor. I bought this from the guy knowing it was a "fixer", it wouldn't idle at all (below about 1500 rpm). Biggest problem with this or any other model relates to fuel issues. When I put it in gear and try to throttle up it wants to cut out and try to die. pump not pumping, internal presure rellif not closeing, or bearing or crank problems. Your outboard’s power trim and tilt unit changes the outboard’s thrust angle during operation for maximum performance of both your outboard and your boat. I have changed all the seals on the trim piston assemblies,tilt piston assembly and on the manual release valve. I write this in the hope that it will help others avoid the excessive time and energy trying to solve this problem. Remove the carb, soak for a couple days in some thing like seafoam or an injector cleaner. sr qt hp ia xb kw ug bi do bi