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  1. 05-21-2008, 07:01 PM #1
    bigbird
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    Need Engine Help...please Anyone...thanks

    put New Motor In This Week Runs Good But With The Air Filter Off Looking Into The Carbs With It Running Giving It Gas The Rear Carb Is Flaming Up Inside The Carb And The Rear Cyclinder Is Really Hot. Need Any Help On This One Guys. Thanks Tommy
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  2. 05-21-2008, 07:06 PM #2
    gregbowler
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    If your backfiring up the intake I would check the reeds
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  3. 05-21-2008, 07:07 PM #3
    beerdart
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    New as in rebuilt? Was the crank rebuilt? It sounds like a timing issue. What type of Polaris?
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  4. 05-21-2008, 07:32 PM #4
    bigbird
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    Quote Originally Posted by beerdart View Post
    New as in rebuilt? Was the crank rebuilt? It sounds like a timing issue. What type of Polaris?
    SORRY NEW TOP END SLT 780 BORED 1MM. CRANK LOOKED NEW AND FELT GOOD. THANKS FOR THE QUICK REPLYS. TOMMY
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  5. 05-21-2008, 07:51 PM #5
    xlint89
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    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Index the crank for sure. Pistons should be exactly 120* apart.

    Or possible reeds, but doubt it.
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  6. 05-21-2008, 09:05 PM #6
    Keddano
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    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    What's the history on the engine,Why was it rebuilt?
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  7. 05-22-2008, 04:29 PM #7
    bigbird
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    alright you all are the best. the crank is twisted or not trued. looks does not matter in this case. i guess i need to have this crank trued and welded. thanks again everyone tommy
    Last edited by bigbird; 05-22-2008 at 06:50 PM.
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« polaris water craft production | 2001 Virage - plugged intake - wrecked cylinder »

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