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Old 05-03-2010, 06:53 PM
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stuartracing stuartracing is offline
Motorized Bicycle Elite Member
Join Date: Dec 2008
Location: Gainesville FL.
Posts: 488
Default Re: digital tachometer

Originally Posted by metalliatic View Post
got my tach today but need to know how many times the spark plug sparks in 1 rpm? i think the answer in 1 time per revolution because its a 2 stroke motor. and 2 times per revolution for a 4 stroke? right?
1 rpm=revolution per min.... So I don`t think your motor only sparks 1 time in a min....
There`s got to be a formula somewhere.....
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