Piston and Connecting Rod Assemble

^ TOOLS REQUIRED
- J 24086-C Piston Pin Remover/Installer





1. Select the fork insert J 24086-310. Install the fork upside down into the press.
2. Place the piston and connecting rod into the J 24086-C. Ensure that the connecting rod is above the fork when installing the piston and the connecting rod into the press.
3. Select the pin guide J 24086-6A gold. Insert the pin guide in the piston and the connecting rod from the bottom.
4. Set the installer J 24086-9 to E-9.

IMPORTANT: Ensure that the marks on the piston and connecting rod are aligned the same as when removed. If installing a new piston, ensure that the arrow on top faces towards the front of the engine. If no identification marks were made during disassembly, ensure that the flat area on the bottom of the piston pin skirt is aligned with the small dimple above the connecting rod crankshaft bearing bore.

5. Coat the piston pin using clean engine oil.
6. Press the piston pin into place.
7. Inspect the piston for freedom of movement.

NOTICE: Use a piston ring expander to install the piston rings. The rings may be damaged if expanded more than necessary.





8. Install the following components of the oil control ring assembly:
^ The expander
^ The lower oil control ring
^ The upper oil control ring

9. Install the upper and lower compression rings.
^ The chrome ring is the upper compression ring and is 1.2 mm (0.05 inch) thick.
^ The lower compression ring is chamfered and is 1.5 mm (0.06 inch) thick. The chamfer (the thickest side of the compression ring) faces towards the bottom of the piston.