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There are approximately 1582 cubic centimeters.
1403 is the official spec on the 88" engine.
2.54 c/in 2.54*2.54*2.54=16.39cc/cubic in 16.39cc/cubic in * 120cubic in= 1966.8cc
The Harley Davidson 110 cubic inch motor produce a conservative 80 horse power
74 cubic inches
1 cubic inch is equal to 16.38 cubic centimeters so your 103 cid would be 1687 ccm. 103x16.38=1687.14
255
2011
2007
the 1340 evolution motor by harley davidson is 84cc.
98 horsepower
80 cubic inch or 1340 cc