Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 315Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 315

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Memory Piston Removal
1Remove memory piston from cylinder using one of two methods: aUsing lock ring pliers (PIN 91-822778A3) or suitable tool

bBlowing compressed air into manual release valve hole using air nozzle
NOTE: Point cylinder opening down and awayUse to the memory piston