Quote:
Originally Posted by bschloop
I seem to be losing the FE competitions to bikes with lots more displacement than mine, so maybe it would help rather than hurt.
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I bet you're losing competition to bikes with the hability to pull more mph out of less rpm, be it through a 6th gear or just enough capacity to cough out its lungs at 80mph.
A proper sprocket set is one that allows 75% throttle for half rpm around 80mph.
If it can go for more RPM @ 75% throttle, it is geared too low.
Quote:
Originally Posted by bschloop
For lots more bore I might be able to fit the cylinder and head out of a TW200 into my engine. Apparently they are the same engine. That would add $$ though. I have yet to find a source for overbore piston for this bike. Actually I haven't even found a new piston. I can get rings.
Perfect that's exactly what I need. I don't use the top end anyway, even at 80mph
It is two valves.
I'd worry that I wouldn't be able to get a new one if it didn't work, but maybe I could find a camshaft on ebay and mod it then I could switch back and forth.
Oops, I did a straight through muffler, I guess I'll have to change that back.
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Not necessarily if it is not overdone