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Old 09-12-2013, 09:06 AM
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chainmaker chainmaker is offline
Motorized Bicycle Elite Member
Join Date: Jan 2010
Location: Ma USA
Posts: 2,597
Default Re: 4-stroke & jackshaft in a stock 50's straight-bar Panther frame???

The old whizzers will fit, but you have to grind the lower mounts to get the motor to sit low enough to clear the bar. It took a while to get it to sit but it worked. I'm not sure of the newwhizzer engine sizes.

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