Good morning does anyone know the size woodruff key for flywheel is? can a guy get it at a auto parts. last one I bought was $10 at the marine shop. my model # is 856x9B the guy I bought the motor from said it was an 85 model # shows it to be an 89 a friend said I have a 85 flywheel its the white white one does this flywheel interchage with the 89 after a week if trouble shooting the electrical which I finally fixed thanks to everyone here (thanks for putting up with my frustration) know Im getting into shearing woodruff keys I got key for a 85 hopefully there the same for a 89 model and what is laping compound does this help seat the tapper? I did tourqe the flywheel to about 100lbs she fired right up and idled nice then pop shear. thanks