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Old 01-02-2011, 08:05 AM
David D.'s Avatar
David D. David D. is offline
Motorized Bicycle Elite Member
Join Date: Sep 2010
Location: California
Posts: 146
Default Re: My first build - 1960's Schwinn

A fifth of an inch is plenty of clearance between your chain and rear tire... should not be "chewing up" your tire at all if the chain is tensioned properly most of my bikes have about 1/8" clearance... when you roll the bike with the clutch in does the drive chain get tight then loose then tight... if so you will need to re-center the rear drive sprocket.... that has to be perfect....pretty sure norm has a thread on that...if its not your chain will slap the tire and eventually your motor mounts will fail....beautiful bike you built, i love the old schwinns..... David
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