1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 101Get this manual

1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 101

POWERHEAD DISASSEMBLY Inspect pi stons as out lined inOeaning and Inspecti on", fo llowing Using an awlscribe identification number of connecti ng rod on inside of pi ston (1) Reassemble pi sto on same connecting rod

Use Pi ston Ring Expander (91.24697) Always install new piston rings

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