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Old 08-03-2008, 11:53 PM
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DasKapitan DasKapitan is offline
Motorized Bicycle Elite Member
Join Date: Jul 2008
Location: Birchwood, WI
Posts: 122
Default Chinese frame mount Engine Gear Ratio

Can someone provide the gear ratio output of the Happy Time engines?
Had one apart & counted the gear splines?
What is the rated RPM for a happy time.
I don't own one but am working on some gearing calculations. TIA
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