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Old 04-29-2010, 02:24 PM
foureasy's Avatar
foureasy foureasy is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: tucson
Posts: 478
Default Re: 60 MPH...achieveable? Who cares?!? Let blueprint an engine!

sounds like you need to do some low speed tuning stuart.
i love how the title of this thread changes with the latest posts/moods.
bike speedos are extremely accurate if the circumference of the tire is accurately measured, like rolling through some oil for a few tire revolutions, (with you on the bike) and taking the average distance. the only problem i had was the vibrations would destroy the screen. i just installed one of these yesterday. it has a thermocouple that goes under the plug washer for head temp and a quality speedo