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High Performance Bicycle Engine Tips We all want our bicycle engines to push our bikes faster. Get exclusive engine modification tips and suggestions from us.

get faster

Discussion at Motorized Bicycle Engine Kit Forum in the High Performance Bicycle Engine Tips forum. it's been awhile. a little more port work, a new and (much) improved expansion chamber, and a speedo. with ...

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08-13-2009, 07:42 PM

foureasy

Motorized Bicycle Elite Member

Join Date: Jul 2009

Location: tucson

Posts: 178

get faster

it's been awhile. a little more port work, a new and (much) improved expansion chamber, and a speedo. with the original pipe and carb we were clocking 32mph with a 36t sprocket and a calibrated bicycle speedo. adding the new and improved pipe gets you 36mph with the 36t sprocket, and the race port with a 31t sprocket gets you 41mph (46mph on a 2deg grade).

« tuned pipe/exaust | Tips on performance mods »

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