Removal & Installation: Crankcase: Disassembly
- Remove intake and exhaust manifolds and cylinder heads. Remove oil pump, oil pan and crankcase Allen head plugs. Working through hole in camshaft hole, straighten lock washers and remove bolts.
- Position pistons at bottom dead center and remove circlip with long-nosed pliers. Access to No. 1 and No. 2 piston pins is through front crankcase plug holes. Access to No. 3 and No. 4 piston pins is through rear service holes. Remove pins and pistons, marking for reassembly.
- To prevent upper crankcase lifters from falling out, use valve lifter clips (899804100). Separate crankcase halves by removing nuts and bolts.