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    How to check for spark

    My 115 Yamaha 2 stroke runs bad over 4000 rpm. How do I check to see if all cylinders are firing at high rpm. I don't want to spend a lot money on a timing light or anything else. I'm thinking of hooking something up to each ignition wire with a light or something that's visible so I can see if...
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    problem with Yamaha 115

    I have a 2005 Yamaha 115 hp 2 stroke. After running the motor for about 15-20 minutes at 4000-4600 rpm the rpm's drop down to 3600-3800, then back up to 4000 then back down again. At full throttle I normally get 5600. When the problem begins I get only about 4200- 4600. I had a mechanic check...
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    Problem with Yamaha 115

    Offline Posts: 76 Member Since: 1/14/2005 Location: New Jersey I've got a 2004 Yamaha 115 carb 2 stroke. The engine runs ok up to about 3800 rpm then as I advance the throttle it starts to drop from 4600 to 3800. then back up again to 4600 then back down. It does this every 2 seconds or so...
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    problem with grease seal

    I have a one year old Venture trailer. I repacked the bearings over the winter and saw a little water near the grease seal. I ordered triple lip seals figuring they are the best. I used the boat twice in the spring and took off the dust cover and I see water in the hub.and mixed in the grease. I...
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    Yamaha 115 carb 2 stroke surges

    The motor is a 115 hp 2004 carb 2 stroke. A dealer that, in my experience, has little ability to diagnose and fix a problem rebuilt my carbs because the motor was hard to start. That did not solve the problem and I went to another mechanic who fixed the starting problem with a simple ajustment...
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    In need of mechanic

    I have a 2004 Yamaha carb. 2 stroke with a problem that a local dealer can't fix. Does any body know of a mechanic in the bergen or hudson county area of New Jersey? Any help would be appreciated.
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    motor very hard to start

    I have a 2003 Yamaha 115 carb. 2 stroke that has been hard to start since new.I bought it new a year ago as a left over. It takes at least 4 to 6 trys before it starts. Today it took more than 12 attempts before it fired up.Once it starts it will start up as soon as I turn the key. I use the...
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    keeping battery charged over winter

    I took the starting battery out of my boat for the winter and would like to know if switching it with the battery in my car from time to time over the winter is a good way to keep it charged.<br /> I will buy a charger if necessary but it seems that the 80 amp alternator in my car will give it a...
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    setting idle speed

    How do you set the idle speed on a 2004 yamaha 2 stroke carbureter.
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