This is where it gets confusing, you cant measure the two together. Its like asking how many gallons of water does it take to walk 20 miles in. There are to many variables and a bunch of math involved.
Basics to try to convert is like 18 CC's per horse power is a realistic best guess from what I have heard . The difference comes because Cubic centimeters are a measure of volume, or the size of a piston - horsepower is a measure of work done over a period of time. However you could convert horsepower to KW with a bunch of equasions, but this won't help your cause.
I'm here to confuse ...so anyone else?