2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 161Get this manual

Lower unitPropeller shaft housing
Propeller shaft housing
16 15 15 13

572 A11A

8 (0.8 kgf m, 5.9 ft Ib)

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