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Old 05-10-2014, 04:14 PM
Techbiker Techbiker is offline
Motorized Bicycle Elite Member
Join Date: Oct 2009
Location: DFW, Texas
Posts: 165
Default Re: pictures of multiple engine bikes i saw

double trouble mentioned that the bikes are towed up to speed.

Maybe the clutches aren't used. I believe that's how the board track racers worked. Who cares about reliability when you expect to burn up the engines after one run?
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