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Old 12-23-2011, 09:57 PM
midwestmayhem midwestmayhem is offline
Motorized Bicycle Senior Member
Join Date: Dec 2011
Location: southeast S.D.
Posts: 78
Default First Gen shift kits

Hey everyone, new guy here

I finally got around to registering, great forum here, been cruisin' it for months...

I have two motorized bikes, one is a 66cc made from a kit, the other is a custom with a robin 5hp. I'll post some pics of them later. Still perfecting both, of course

I did some research on sbp's shift kits and discovered they had two different designs, the first generation, and the style they're selling know-the second generation. Why was the design changed? Did the first put too much stress on the case of the motor? Is the second stronger than the first? Or was is simply changed to make it easier to work on the motor itself? Thanks
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