You are asking about apples and Oranges. One is not directly related to the other in order to tell you the exact cc of a 8 hp. However a typical 8 hp motor is around 200 cc.
You need to know the cubic inch not hp to convert to cc.
About 8hp (5 kW).
Our Techumseh 8HP has a Champion J8C
318cc. is 8hp. 305cc.is probably between a 6 to an 8hp.
What year is the 8hp Mercury outboard with serial o6156590 ?
On a valve-in-block 8HP with an RJ19LM or equivalent plug, it is 0.030"
1 HP= 15 CC so 1001 HP= 15015 CC's
how much cc's is a 6.5 hp engine
66 cc
0.4 cc
1720.641 cc
That is 28.34 cc of water.