The owners manual for your model speedometer "should be" online.
That said, if it is like my Bell speedometer you take the tire's diameter, convert it to millimeters then multiply times 3.1416
This will help with that conversion:
Inches to Millimeters - in to mm conversion
I then use a GPS to verify.
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Photobucket has changed their site from free for years to now blocking your photos, shame on them and will have to find new way to post albums I have.
Last edited by ajbrown; 05-15-2014 at 06:19 AM.
Reason: changed wheel to tire for clarity
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