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2000 waverunner 1200 limited

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  • 2000 waverunner 1200 limited

    My waverunner had a meltdown in the front cylinder. I had the head replaced and one piston along with the cylinder. it lasted about 5 hours and the middle piston got a whold in it on the side of the piston. if you leave it sit for a while it doesn't want to start, if it does it's really hard to keep going at first. you have to feather the throttle for about 30 seconds. or it just won't start. when it didn't start i pulled a plug and put some gas in and it started. my motor lasted about the same 5 or 6 hours and just blew again, i pulled the plugs and looked in, the middle hole has marks in the piston and it looks like melted small chunks of piston. I need to find out what is causeing this!! Thanks

  • #2
    Probably running too lean, need to rebuild carbs.
    Regards
    Boats.net
    Yamaha Outboard Parts

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