Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 259Get this manual

POWERHEAD
2Reinstall retaining ring using suitable pair of Snap Ring Pliers

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- CrankshaftCrankshaft Ball BearingSuitable MandrelPressRetaining Ring

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives