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4-speed Speedometer pinion.


Leo B
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Hi, I need to buy new Speedometer Pinion. I had 19 teeth but not sure is it correct. How to know what is my R2 Axel Ratio? I dont have plate which shows that. SI dont have 19 teeth, only 18 and 21.
19 teeth is for 3.73

Edited by Leo B
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Hello Leo,   Search for Strange engineering gear ratio calculator, they have a calculator to do this. Plug in your tire diameter, RPM, and speed with a final drive of 1:1 (no overdrive) and it will calculate it. It's very accurate.       Good luck with it!   John C.

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