gear ratios

Dick Eastman · Post by **Dick Eastman** » Mon Aug 15, 2011 5:04 pm

Are the gear ratios in a Scrambler tranny the same as a Superhawk?

I have a factory CL72 manual that says:

Crank to trans - 3.133
1st - 2.788
2nd - 1.661
3rd - 1.171
4th - 1.000

countershaft sprocket to rear wheel - 2.625 [this works out to a 16/42].
I thought the chain sprockets were 15/37 for the CL77, but I am not sure, as this manual is for a CL72, and has a date on the back cover of 1971.

Does the Superhawk run a 15/32 stock? If the tranny ratios are the same, then the chain sprockets are the only difference?

Thanks,
Dick

LOUD MOUSE · Post by **LOUD MOUSE** » Mon Aug 15, 2011 5:57 pm

18 INCH versus 19 INCH rims!. ..................lm

Dick Eastman wrote:Are the gear ratios in a Scrambler tranny the same as a Superhawk?

I have a factory CL72 manual that says:

Crank to trans - 3.133
1st - 2.788
2nd - 1.661
3rd - 1.171
4th - 1.000

countershaft sprocket to rear wheel - 2.625 [this works out to a 16/42].
I thought the chain sprockets were 15/37 for the CL77, but I am not sure, as this manual is for a CL72, and has a date on the back cover of 1971.

Does the Superhawk run a 15/32 stock? If the tranny ratios are the same, then the chain sprockets are the only difference?

Thanks,
Dick

davomoto · Post by **davomoto** » Tue Aug 16, 2011 10:18 am

CB and CLs use the same trans. CL77 15/37, CL72 15/40, CB77 15/32.

Davo

Dick Eastman · Post by **Dick Eastman** » Fri Aug 19, 2011 3:54 pm

LOUD MOUSE wrote:18 INCH versus 19 INCH rims!. ..................lm

Thanks, I had forgotten that little fact. I want to set my CL up to similar gearing as the Superhawk. I will need to determine the circumference of the rear tire for the two models to see how many teeth the rear sprocket needs to be.

Dick Eastman wrote:Are the gear ratios in a Scrambler tranny the same as a Superhawk?

I have a factory CL72 manual that says:

Crank to trans - 3.133
1st - 2.788
2nd - 1.661
3rd - 1.171
4th - 1.000

countershaft sprocket to rear wheel - 2.625 [this works out to a 16/42].
I thought the chain sprockets were 15/37 for the CL77, but I am not sure, as this manual is for a CL72, and has a date on the back cover of 1971.

Does the Superhawk run a 15/32 stock? If the tranny ratios are the same, then the chain sprockets are the only difference?

Thanks,
Dick

Dick Eastman · Post by **Dick Eastman** » Fri Aug 19, 2011 4:02 pm

davomoto wrote:CB and CLs use the same trans. CL77 15/37, CL72 15/40, CB77 15/32.

Davo

Thanks, Davo. With the 18" vs 19", I'll need between a 32 and 37 T rear sprocket.

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gear ratios

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