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Old 09-25-2012, 09:23 AM   #5
Chewy750's Avatar
Joined: Jun 2012
Location: Isle of Man - Motorcycle Heaven.
Oddometer: 52
No you are not correct, it is a 4 stroke engine, suck, squeeze, bang, blow, so stroke 1 downwards, fills the cylinder with air/fuel mixture, upward stroke compresses, it is at this point it fires, the downward part of the next revolution is the power stroke, the upward the exhaust, then back on a 'filling' or suck stroke. So from that simple primer how many revs per ignition?
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