Mercury Force 9.9, 15HP Outboards Service Manual, Page 173Get this manual

BInspect rear bevel gear with bearing Measure inner diameterBearing can only be replaced with gear DIA
9Inspect pinion gear with bearing
If wornbearing can be replaced individuall y

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