bore and stroke ...
23 April 2003, 07:33 AM
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" bore and stroke of 92x75 mm for a capacity of 1,994 cc "
So how do you (mathematically) work out cc, given the bore and stroke.
Presumably you need to know a dimension on the crankshaft ??
And how many cubic mm to one litre ??
So how do you (mathematically) work out cc, given the bore and stroke.
Presumably you need to know a dimension on the crankshaft ??
And how many cubic mm to one litre ??
23 April 2003, 09:34 AM
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square the radius of the bore, then multiply by 3.1416 (pi) then by the stroke, then by 4.
So a stock 92 X 75,
46 X 46 X 3.1416 X 75 X 4 = 1994cc
Most people just use 3.14, it's close enough.
Mark.
So a stock 92 X 75,
46 X 46 X 3.1416 X 75 X 4 = 1994cc
Most people just use 3.14, it's close enough.
Mark.
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