1984-1986 Mercury Force 9.9 and 15HP Outboards Service Manual, Page 55Get this manual

1984-1986 Mercury Force 9.9 and 15HP Outboards Service Manual, Page 55

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CAUTION Install piston rings with bevel on inner edge facing up toward top of piston Figure 29
CAUTION
Staki ng pins must be in ring gaps and rings must be sealed in gr ooves or damage can