Monster_M3 Posted December 10, 2009 Report Posted December 10, 2009 i was wondering how big you can bore the stock banshee cylinders and still keep it reliable? i know stock is a 64mm. Quote
BigRed350x Posted December 11, 2009 Report Posted December 11, 2009 i was wondering how big you can bore the stock banshee cylinders and still keep it reliable? i know stock is a 64mm. There are mixed opinions on this. Some will tell you .080" others will tell you .100" Quote
Sandfrk33 Posted December 11, 2009 Report Posted December 11, 2009 I've always heard .080 is fine but anymore than that and it gets too hot. Quote
crustydemon Posted December 11, 2009 Report Posted December 11, 2009 I see no problem with .100 (2.5mm). You dont bore for power, you bore the minimum just to clean up the cylinder walls when necessary so the way I see it is if you have a set thats punched .080 and needs a bore why not go to .100, thats alot more riding time on that set of cylinders before you need to resleeve or junk them(could be several years if maintained). I guess it all depends on if you want to buy the .100 pistons vs different jugs and pistons. Does the greater piston surface produce more heat on the cylinder walls? Yes it does but I feel there are other ways to deal with that. Just my opinion . Quote
T_Shee Posted December 11, 2009 Report Posted December 11, 2009 i agree with crusty. but i would add that it depends on how you ride. if you ride extremely hard high rpm's wot then you may want to be more cautious when it comes the how thin your cylinder walls are. personally i would go .100 over but that is because i have a backup top end and i dont generally turn really high rpms. just my opinion tho Quote
shanYE west Posted December 11, 2009 Report Posted December 11, 2009 Heat wouldn't be my primary concern.. But.. The thin skirts on the sleeves would be.. Quote
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