smoke?,, from side of top end

powerband

New Member
Feb 21, 2010
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madison ohio
im woried because when i start i see smoke puffs coming from the top side of the jug on both sides and its when it backfires .im thinking this is bad?
 
pull the head off, check to see if its warped, there's a downloadable manual on here that will give you the specifics on everything