Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Piston Pin: Service and Repair


Fig. 30 Piston Check Locations:




Fig. 31 Piston Check Locations:






When installed, the piston front mark should face the front of the engine. Pistons come in three standard sizes located on top of the piston, 1, 2, or 3. They are also available .50 inch oversized, Figs. 30 and 31.