yfz450ss Posted April 1, 2005 Report Share Posted April 1, 2005 (edited) im installing cubs with porting and 38mm pwk's with drag pipes and looking for a starting place for jetting.any help is welcome. i forgot about the 4mm stroke and 68 mm bore Edited April 1, 2005 by yfz450ss Quote Link to comment Share on other sites More sharing options...
1800bigk Posted April 1, 2005 Report Share Posted April 1, 2005 160main 50 pilot, then work your main down to 150-155 Quote Link to comment Share on other sites More sharing options...
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