Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 266Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 266

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POWERHEAD
- Piston RingDots (Faces Up)Feeler GaugeRing End GapDot or LetterPiston Ring

3 Use Piston Ring Expander (91-24697) and install piston rings (dot side up) on each pistonSpr