Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 380Get this manual

NON-BIGFOOT GEAR HOUSING
Gear Housing (Propeller Shaft)(2:1 Gear Ratio)

3.44 IN.l135MM TORPEDO DIA

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