6. CYLINDER HEAD/VALVES STRYKER 125/150 Turn the flywheel counterclockwise so that Camshaft Gear the "T" mark on the flywheel aligns with the index mark on the crankcase to bring the round hole on the camshaft gear facing up to the top dead center on the compression stroke. Round Hole "Punch" Marks Remove the four cylinder head nuts and Washer washers. Nut Diagonally loosen the cylinder head nuts in 2 or 3 times. Remove the camshaft holder and dowel pins. Camshaft Holder 6-5