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400 engine

  1. 1994 polaris 400 2 stroke 2x4 HELP!

    ATV New Members
    i just got this wheeler .. and yesterday i had to redo the throttle assembly cuz it was broken .. i got all that fingered out ( it rev'd to the max and refused to shut off at first ) i had to plug the exhaust and turn the gas off to kill it .. even with they key off and killswitch on . now...
  2. 2004 sportsman bogs down

    Polaris Sportsman
    I have a 2004 sportsman 400 that bogs down when I go up hills. I have taken it to the dealer ship before and They did fix it. That was a year and a half ago. It is starting to do it again so whatever they did didn't really fix it and I don't want to take it back to them because I feel they...
  3. 2000 400 Motor question

    Polaris Trail Blazer
    I am new to this forum but I hope to learn a lot from you all... My first question is . I have a 2000 400 Trailblazer & I am trying to find an engine case for a friend of mine . I have found one that came off a 95 Scrambler and the guy is saying it's the same motor ( I can't seem to find out if...
  4. 400 Gurus a Question...

    Polaris Sportsman
    I'v got a 97 Polaris Sportsman 400 4x4 2 stroke. The engine is bad, got another engine, it's bad, got another engine it's ..... well bad. Can I put a 400 4-Stroke on this frame instead of a 2 stroke and if so what if anything do I have to change? Thanks, Mike P.S. Never have ridden the...
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