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  1. M

    Question on 115hp 1991 yamaha

    My motor is a 1991 115 yamaha. Recently the motor is rough at idle it will backfire and sputter then it recovers for a second or will cut out. It seems to run fine at higher rpms or at least I cant notice if it is missing. I changed the plugs, pulled off the carbs and cleaned them out(I am a...
  2. M

    Help with 1991 115 Yamaha

    I noticed after running my motor at home and turning it off. I had gas leeking out the port side exhaust square up at the top of the motor not the exhaust by the prop. I was able to notice the gas because I premix the gas and I could see the unburned oil and gas down the side of the motor. Could...
  3. M

    Just purchased 1991 yamaha 115 need help

    I just bought a 1991 115 and put it on an old 17 mako I bought that had no power. I purchased the motor without controls and tried using a 703 control box from a 1987 50 hp. The plug was the same but when I turn the key to the on position the 20 amp fuse blows. with the key in the off position...
  4. M

    Replacing exhaust gaskets on 30 hp evinrude

    I have a 1989 30hp evinrude which I have done some work to with the help of you guys. I'm pretty sure the exhaust gaskets are leaking as I see some corrosion around the edges and around the bolt in the middle. I was wondering if it was possible to remove the exhaust plate without removing the...
  5. M

    Another question about 30 HP Evinrude

    I just replaced the head gasket on my 30 hp evinrude ( I was getting a little water in the top cylinder). When I was replacing the head gasket I also replaced the thermostat which was stuck open and apperantly has been stuck open since I bought the motor under a year ago. My question is I now...
  6. M

    Another question about 30 HP Evinrude

    I just replaced the head gasket on my 30 hp evinrude ( I was getting a little water in the top cylinder). When I was replacing the head gasket I also replaced the thermostat which was stuck open and apperantly has been stuck open since I bought the motor under a year ago. My question is I now...
  7. M

    Oil behind prop on 30 hp evinrude

    I recently noticed some oil dripping from behind the prop on my 1989 30hp evinrude. I removed the prop and ran the motor. When I stoped the motor I could see that it was dripping down from the exhaust hole. The motor runs fine I was just wondering if this was normal or is their a bad seal...
  8. M

    Need help with 30 hp evinrude

    I have a 1989 30 hp elecric start evinrude that will only start if I spray gas directly into the carb Then it stays running and will idle missing sporadically there is a faint knock each time the motor misses thanks for any help.
  9. M

    help with 30 hp evinrude knocking noise

    I have a 1989 30 hp evinrude. After my last trip out the motor developed a knocking noise. Its not a steady noise and when it knocks the motor seems to miss and jolt to the side a little. The noise is not very detectible at idle but happens more frequent at higher rpm. I checked the compression...
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