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I was taught this way.
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<blockquote data-quote="dennishoddy" data-source="post: 3646692" data-attributes="member: 5412"><p>Named after James Watt that came up with the HP calculation. </p><p>Your absolutely correct. 250CC can be anything from 18 to 48 HP depending on two stroke, four stroke, porting, valving, and a host of exhaust upgrades. </p><p>Been down that road racing dirt bikes, and finally 250 R three wheelers for many years.</p></blockquote><p></p>
[QUOTE="dennishoddy, post: 3646692, member: 5412"] Named after James Watt that came up with the HP calculation. Your absolutely correct. 250CC can be anything from 18 to 48 HP depending on two stroke, four stroke, porting, valving, and a host of exhaust upgrades. Been down that road racing dirt bikes, and finally 250 R three wheelers for many years. [/QUOTE]
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