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Discussion Starter #1
I have a 72 ski-doo olympique its was running fine friday, then saturday i went to ride it and on i got going past like 15mph it would like load up and backfire. I tuned it too the specific specs, its semms to get decent sparks and it idals fine. i dont know what wroung with it. any ideas
 

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may be you have crack in the carb boot,or a weak coil.
 

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Check the plugs.
 

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Originally posted by metalgear32z
[br]Some guy i know said it could be because of my timing
It could definetly be the timing, id check the points too
 

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How does the plug look when it does this?
 

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Change your spark plugs.
 

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Yeah Ur Sled Sukz And It Will Never See The Day It Beats Mine Bro So Get Used To It Especially When I Pick That Formula 500 Twin Up Mwhahah!
 
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