Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 174Get this manual

Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 174

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AIR REGULATOR REMOVAL
aScrewsAir Regulator

2 Inspect regulator diaphragm for cuts ortearsReplace as required 1997 Model

aDiaphragmSpringCup

1998 Model