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Discussion in 'High Performance Bicycle Engine Tips and Motorized' started by DRK, May 19, 2017.
Which cylinder is best for performance on a stock 66cc CG motor and why? Trying to learn.
If I am understanding your question correctly, DRK. I don't personally think one has an advantage over the other, other than the more fin, surface area, the better cooling capabilities.
Other than that, I don't think aside from aesthetics, one is any better or worse.
I'm looking forward to seeing what other folks think, though.
Just my 27 cents. (inflation)
Square or round exhaust port?
OP didn't ask about the cylinder shape.
The shape of the exhaust port which you obviously can't see when the
exhaust is bolted on the cylinder.
Round should theoretically be better but on these motors there are too
many variables to consider.
That's my 2 centavo's