2001 Mercury Mariner 50-60HP Factory Service Manual, Page 459Get this manual

BIGFOOT GEAR HOUSING
7Bearing Preload Tool (91-14311A2)

8Mandrel (91-15755)

9Backlash Indicator Tool (91-196601) 2.07:1 Gear Ratio (1429)

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