Disassembly instructions: To remove the engine from the frame remove the 2 large engine mounting bolts, throttle cable, air filter assembly, and chain. 4. Remove the cam sprocket from inside the left of the cyl- inder head by removing the 17mm bolt. Be sure to not let the washer fall off of this bolt into the engine. 1. Remove the left side crank- shaft and timing mark ac- cessing screws. 2. Remove the left side cyl- inder head cam cover by re- moving the two 8mm bolts. 3. Remove the timing chain tightening bolt and release the pressure on the chain by turn- ing this bolt all the way clock- wise. When installing turn it counter clockwise and you will feel it self adjust. 5. Remove the 2 large round 17mm valve covers caps. Re- move the four 8mm bolts from the top cylinder head cover and remove the cylinder head. 6. Remove the 10mm cam chain slider. Remove the 2 left side cylinder bolts (5mm allen heads).