gear ratio - Wrist Twisters
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post #1 of 3 Old 12-19-2012, 07:18 PM Thread Starter
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gear ratio

I have a 2002 cb 919, I would like to know the gear ratio of the drive shaft to the rpms of the engine. I believe 6th gear is not 1:1, I think its less but not sure what it is.

Thank you

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post #2 of 3 Old 12-19-2012, 07:27 PM
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Hey red350, a quick search found this:

feel free to reference this thread:

Also feel free to use the search feature, we have tons of info here.

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post #3 of 3 Old 12-21-2012, 04:06 PM
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The primary (crank to clutch) reduction ratio is 1.52:1 (50 driving 76), and 6th is 1.13:1 (23 driving 26).

The stock final reduction is 2.6875:1 (16 driving 43).

With stock sprockets the speedo sensor signal is 75.25 pulses per revolution of the rear wheel.


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