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Old 02-29-2012, 07:42 AM
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LR Jerry LR Jerry is offline
Motorized Bicycle Elite Member
Join Date: Dec 2011
Location: Oak Ridge, TN
Posts: 1,019
Default Re: legality and choosing engine displacement, torn?

My guidelines for building are: predominant riding terrain, local legal requirements, rider and budget. Most places define a motorized bicycle as 50 cc or less. Here in Tennessee we also have a motor driven cycle category. There are lighting, braking, horn, registration, insurance and motorcycle license requirements. You're allowed 125 cc and 5 HP. Many scooters, pocket bikes and mopeds fall into this category but you can build bicycle in it as well.
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