714banshee380 Posted October 23, 2008 Report Posted October 23, 2008 Does boring out your bike up the displacement in cc's. or is it mainly stroke? my bike is bored two sizes over stock. stock stroke. The charts are a little confusing to me thanks for the help guys ,Steven Quote
Bansh-eman Posted October 23, 2008 Report Posted October 23, 2008 boring your motor out will bring up your cc's but the power gain is minimal at best. your best bet is to go with a stroker crank and port work Quote
714banshee380 Posted October 27, 2008 Author Report Posted October 27, 2008 boring your motor out will bring up your cc's but the power gain is minimal at best. your best bet is to go with a stroker crank and port work Oh I didn't bore my stock cylinder on purposed. it seized twice. so I HAD to bore it out. crank and rod were fine. Just wondering. Quote
Bansh-eman Posted October 27, 2008 Report Posted October 27, 2008 Basically hat the only time you want to bore a small motor like these is when they are damagd or just due for it. For power gains your just wasting time. Quote
714banshee380 Posted October 27, 2008 Author Report Posted October 27, 2008 Basically hat the only time you want to bore a small motor like these is when they are damagd or just due for it. For power gains your just wasting time. Oh you can say that again. Boy do I wish i had a stock shee again. My bike seized on sand highway. locked up pretty good. tore her down. had to hammer the piston out of the cylinder. it melted to the frikin thing. bored it out put it all together. Quote
Rob Richman Posted October 30, 2008 Report Posted October 30, 2008 i just did a rebuild, with a +4 crank and .20 over, what kinda cc do you think i have? thanks. Quote
flyhighprerunner Posted October 30, 2008 Report Posted October 30, 2008 I think thats a 377 i believe i could be wrong though... Quote
mia-shee Posted October 30, 2008 Report Posted October 30, 2008 this should help engine calculator Quote
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