January 10, 20197 yr Is there anything inherently bad with the 350 engine compared to a 250? I thought that I remembered reading that they were prone to running hot and if so is it a real problem?
January 10, 20197 yr No is the short answer and I've no idea how or why claims like that originate. Not a full 350, only 302cc so no Bultaco 325 type power on tap but noticeably more than the 250 which is fairly flat. It will pull 2nd or 3rd gear better where the 250 struggles. Later TR77 versions supposedly have sharper porting than the white bikes but never tried one so can't comment. Mine is the first model from 1975 and is a nice bike to ride. Just shave a few ounces off the ignition flywheel for quicker pick up if needed
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