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Old 01-15-2016, 11:28 AM
curtisfox curtisfox is offline
Motorized Bicycle Elite Member
Join Date: Dec 2008
Location: minesota
Posts: 3,529
Default Re: Here I go again,Briggs build

If you ever take it apart a little port honing helps also, I think they all pop on rapid return ,but also could be lean. Check the plug color, also check the valve clearance , the book says 7 intake & 9 exhaust ...........Curt
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