Yamaha 115 four stroke problems

2000 model F115TLRY Yamaha 4 Stroke Outboard. It sounded and ran smooth.

It has been alleged that the companys first-generation F-Series four-stroke outboard motors model years 2000 2005 contain a serious defect that allows the exhaust passages to corrode and pit severely ultimately resulting in.

Yamaha 115 four stroke problems. So what are these yamaha 115 4 stroke problems. Among many yamaha motor problems the engine not starting up is the most common. One of the key reasons behind that is a dead battery.

Also faulty spark plugs will interrupt the ignition. Other than that it could be a clogged fuel line jamming the fuel supply. Yamaha 115 4 stroke users often complain about starter issues like it might not engaging properly or failing to turn over.

Some users even particularly pointed that the motor struggle to crank. This type of problem can occur because of the faulty electric system or if. My Yamaha 115 4 stroke which only has about 50 hrs on it will not fire Things I have checked plenty of fuel no water in seperator checked all fuses kill switch inplenty of juice to crank just will not fire.

As SIM mentions if there are 100000 units in the field it may not be particularly unusual to see a few problems with them. As for the Yamaha 115-HP four-stroke I dont recall a single mention of them prior to this discussion as being prone to an unusually high rate of repair. 2003 F115 hp 4 stroke problems after 15 minutes of running.

My motor run great from idle to wot for about 10-15 minutes then starts cutting out. Tach goes crazy up and down and engine really hesitates and dies. Sometimes it starts back up but I usually have to wait for 15 minutes for it to cool down then it will start and I can run it at idle.

2003 yamaha 115 4 stroke bogs down misses badly above idle After verifying engine condition I would pull this hose off and squeeze the primer bulb. If fuel comes out of this fitting that means that the needle in the VST is being held open by some sort of debris and is leaking into the intake by way of regulator hose. I have a 2005 Yamaha 115hp 4 stroke motor that has been sitting for 5 months.

I finally made it a priority and took it out today. It started right up. I idled the motor about 10 mins.

It sounded and ran smooth. But I could not get the boat to go faster than 10mph and 3000 rpm on the yamaha gauges. Originally with my boat I opted to do what you are thinking.

I put on a 115 4 stroke Mercury essentially a yami 4 stroke. Just loved the motor but ran around everywhere at full throttleand burned thru a ton of gas. Picked up a opti 135 and now run around at the SAME speed as the WOT 115 and burn far less gas.

Yamaha 115 4 Stroke Problems The 115-HP motor is one of the most popular on the market and with four-strokes closing in on 85 of the market share it would be a bad business decision to discontinue their F115. Hi I have a 4 stroke 115 hp yamaha and this engine had a complete service of 140 hrs but has a problem in high speed at 3000 RPM starts to cough and the RPM goes to 1500 or stops totally. If I start again goes well until 3000 RPM again.

Jun 16 2008. Yamaha 115 hp 4 stroke fuel problem. Idle boat runs great but when i throttle up engine seems to act like it is running out of fuelthis happend 3 times last time outbut ran smothly rest of time.

Checked the fuelwater seperator and was cleani heard that there is a small screen in the high volume fuel pump. I have a 2005 Mercury 115 HP 4-stroke EFI which has same power pack as your Yammie. I had similar problem.

Here are steps I would do. 1 Take the water separator filter off fuel line and dump its content into a glass jar. Let it sit for couple of hours with a lid on the jar.

115 4 stroke loosing RPM and misfire. Hi all I am new to the forum and have a 2002 Yam 115 EFI 4 stroke on a 02 hurricane 19 ft deck boat. I have had the boat for about 4 years and it has never idled quite right stalls when coming off high RPM Recently it began to loose RPM and surge.

Yamaha 115 4 stroke outboard year 2006 Not rated yet Motor runs great when first started the issue is after a run. When you come back to an idle it. Jun 8 2015.

2000 model F115TLRY Yamaha 4 Stroke Outboard. Its on an 18 foot boat and when Im out trolling I want to run it as slow as possible so just clicking it in forward gear is the speed I need. The boat obviously has a load on it but my motor will run for about 4 minutes and then start to shake a little and eventually die.

I have a 4 stroke 115 2013 changed prop last year after hitting rock at low speed engine will run under 3000 Oil had water in it changed the oil water is back. Could be a blown gasket. Jun 14 2017 Cars Trucks.

Yamaha 115 4 stroke issues 2002 Model Posted. On 5216 at 318 pm. Currently having issues with my outboard.

The motor runs fine unless I try to give it full throttle. Then it seems to be starved for fuel. I replaced the fuel filter fuel water separator and the spark plugs and it ran fine.

Purchased my boat this year with a 115 yamaha four stroke. After 25 hours noticed an oil leak. Turns out the casting was faulty and I need a new block.

Yamaha has told me that Yamaha will not replace motor but will replace the block. But get this I have to wait until late September before replacement block is available. Goodbye summer of 2018.

Its no secret that Yamaha offers one of the most impressive 4-stroke outboard motor lineups on the market. If youre the proud owner of one of these engines you know just how powerful and reliable they can be. No matter what model you have there will eventually come a time when you may need to troubleshoot some common issues.

Check the engine oil levels next. Ensure that the outboard motor is in an upright and level position. Then remove the oil filler cap and the connected dipstick from the oil tank.

Wipe the dipstick with a cloth reinsert it fully then remove it and check the oil mark on the side of the dipstick. It has been alleged that the companys first-generation F-Series four-stroke outboard motors model years 2000 2005 contain a serious defect that allows the exhaust passages to corrode and pit severely ultimately resulting in. 04 Yamaha 115 Four stroke fuel problems.

You need to get a fuel pressure gauge and attach it to the top of the fuel rail to check the fuel pressure. Behind the intake manifold is the VST Vapor Separator Tank. There is a filter inside that needs to be serviced.

There is also an inline fuel filter between the fuel pump and the vst.