velocity ratio between two sprocket

[rahul patil]

what should be no of teeth on smaller & bigger sprocket.... & what should be velocity ratio for 600cc engine

[onemaniac]

How fast do you want to go? (even 'fast' really means nothing on this forum)

I think there is no better way than a lap simulation to find out.

It takes very little time so please try:

http://www.optimumg.com/software/optimumlap/


Edit: and before you get asked by others, it'd be nice to introduce yourself before the question..