Piston & Piston Pin Replacement
- Turn cylinder block so cylinders No. 1 and 2 face up. Turn crankshaft so cylinders No. 1 and 2 connecting rods are set at bottom dead center. Apply engine oil to pistons and cylinders. Insert pistons into cylinders.
- Coat Piston Pin Guide (498747100) with oil. Insert guide into service hole to align piston pin hole with connecting rod small end. Coat piston pin with oil, and insert piston pin into piston and connecting rod through service hole. Install circlip. Install service hole plug and gasket.
- Invert cylinder block so cylinders No. 3 and 4 face up. Turn crankshaft so cylinders No. 3 and 4 connecting rods are set at bottom dead center. Apply engine oil to pistons and cylinders. To complete installation, repeat step 2).