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    Should I Reuse Piston in Rebuild

    I have a 1989 115hp 2-stroke Yamaha that I am rebuilding. One cylinder had 50 psi and the other three were at 128-130 psi. The block and camshaft are at a shop being cleaned and inspected. I am prepping the other parts for re-assembly and I ran into a snag. One of the piston heads that had...
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    Yamaha Alarm Going Off

    I have a 1997 115HP Yamaha S115TL. I recently replaced the oil pump, water pump, fuel pump, fuel filter, water separator, spark plugs, and I just recently rebuilt my carbs. After I rebuilt my carbs I am now getting an alarm which I believe to be high temp alarm but could be wrong only at high...
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    Need Yamaha Gauge, Which One Do I Need?

    I have a 1997 115HP Yamaha S115TL I am wanting to get a gauge that will tell me what alarm is sounding for example high temp alarm or low oil pressure etc. I have no idea which one I need for this motor. Does anybody know the model number or can post a link to the one I need?
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    1997 115HP Yamaha Missing Thermostats?

    have a 1997 115HP Yamaha S115TL. I am doing some maintenance on the motor and I thought I would replace the termostats. I took off both of the thermostat cover and found no thermostats?! I have attached a picture of the thermostat cover removed and what I found. Am I looking in the wrong...
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    1997 115HP Yamaha Bogging Down

    I have a 1997 115HP Yamaha S115TL. It has ran like a top for awhile but now it is giving me grief. After driving the boat for awhile anchored down, and then going to take off and the motor would be a little bogged down. Slow acceleration but would plain out and would not go above 4000 rpm...
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    Yamaha outboard gear slippage

    Hello I need some help and couldn't find it online so I am turning to y'all for help. So I have a 1997 115HP Yamaha model S115TL, on 171 Mako with a SS prop. When I take sharp turns the motor will rev high and then pop out of gear, or slip out of gear into neutral. It happens every time, when I...
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    115HP Yamaha gear slip

    Hello I need some help and couldn't find it online so I am turning to y'all for help. So I have a 1997 115HP Yamaha on 171 Mako with a SS prop. When I take sharp turns the motor will rev high and then pop out of gear, or slip out of gear into neutral. It happens every time, when I take a...
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    9.5 Evinrude won't start and possible hole in powerhead

    Hey I have a 1971 9.5 Evinrude. It will not start. The motor seems to have good compression, but when I slowly turn the flywheel I can hear a sizzling sound like compressed air is coming out or something. This is what I have done: spark test with an arc of 5/16 nice blue/white, new spark...
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