Originally Posted by DogBoneR1
That's right about where I'm at, 13.25:1. Out of all the stuff I did to my bike, The head work was the most noticable with the most gains. The head gasket isnt going to give you a whole bunch of HP. Maybe 5 if your lucky. You should consider getting the head ported while you have it off.
The heads for the 10 is sent from the factory for a hand porting. I am told that the head is as good as it gets already. I have seen the numbers for just the gasket. Its only 3.5 hp. But when you degree the cams and use a full exaust, the motor shines brightly. I will see...