1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 328Get this manual
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8 Remove rod wiper, inner O-ring and outer O-ring
aRod WiperInner O-ringOuter O-ring
51199 Check Ball ComponentsO-ringPiston
POWER-TRIM
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