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jkv45 · November 9th, 2018, 01:48 PM

Hmmm...danno is usually right.

Adding 1T to the countershaft sprocket typically drops RPMs by close to 500.

Stock the front is 14T and rear is 45T.

Going to 15/45 will drop the revs, but cost you on acceleration.

November 9th, 2018, 01:48 PM	#4
jkv45 Rev Limiter Name: Jay Location: WI Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot. MOTM - Jun '18, Oct '16	Hmmm...danno is usually right. Adding 1T to the countershaft sprocket typically drops RPMs by close to 500. Stock the front is 14T and rear is 45T. Going to 15/45 will drop the revs, but cost you on acceleration.