Thread: 1p39qmb 50mm bore jet size?
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Old 09-06-2013, 11:00 PM   #1
SirYes   SirYes is offline
 
Join Date: Jul 2013
Posts: 44
1p39qmb 50mm bore jet size?
I have a 1p39qmb and a 50mm bore kit and a ported head 69mm valves 22mm carb 150cc intake manifold ported. but don't know what jet size to use.



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