02-28-2020, 12:45 PM | #11 |
Join Date: May 2013
Location: finger lakes NY
Posts: 2,061
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Welcome, sounds to me like you may have a vacuum leak somewhere... i would double check intake gaskets, as well as check the valve clearances before attempting to remap. valve clearances are critical on these tiny engines a few thousandths of an inch out of spec and they go to absolute crap instantly... so theres a few things to check...
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