May Posted March 15, 2007 Report Share Posted March 15, 2007 i have a 4 mill stroke alot of porting coolhead with 17 cc domes 34 mm pj prolites 4 over pistons my question is i found some inframe bigbore shears for a good price will they work on my bike or should i get small bore Quote Link to comment Share on other sites More sharing options...
91banshee Posted March 15, 2007 Report Share Posted March 15, 2007 i have a 4 mill stroke alot of porting coolhead with 17 cc domes 34 mm pj prolites 4 over pistons my question is i found some inframe bigbore shears for a good price will they work on my bike or should i get small bore get small bore pipes usally big bore is 440-500 +cc Quote Link to comment Share on other sites More sharing options...
May Posted March 16, 2007 Author Report Share Posted March 16, 2007 get small bore pipes usally big bore is 440-500 +cc what will be the proformace difference between the two will i loose much power with the bigbore Quote Link to comment Share on other sites More sharing options...
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