2000-2005 Yamaha F40B Outboard Service Manual, Page 224Get this manual

!POWRI 421:!
CYLINDER HEAD

REMOVINGINSTALLING THE CAMSHAFT AND VALVE

13.5 Nm (1.4kgf, 10 ftIb)

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