Thread: power issues
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Old 09-23-2009, 07:02 PM   #3
smallblock450sl
Sometime's............
 
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Yamaha
 
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,874
Default Re: power issues

Are you running the original air box assy? If so just onhook the hose at the carb, fold it out of the way and test drive it. If it runs better amy have air box sealing problems.
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