Building a 09 kx250f. Put a new wiseco piston in, new head, new prox valve kits, new stage 1 hotcams, new cam chain.
Having a problem with the intake valves hitting the piston when i try to turn it over. Ive redone the cam timing about 4 times over and am pretty sure its right. All valve clearances are in spec.
Ive done this so many times on my 450 and some friends bikes but cant figure this one out. Any ideas?
Ive attached pictures of where the crank is, where the cam markings are, where the motor stops turning, and the service manual.