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1992 formula plus 580

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  1. Engine
    I bought this sled a couple of years ago. Got it home and discovered I had no (very little) compression in the right cylinder (583 Rotax). I tore it apart and rebuilt the top end. It ran for about 1/2 hour and 400 yds then blew again...same cylinder. I just tore the jugs off and the cylinder...
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