2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 61Get this manual

Periodic check and adjustment
Checking the cooling water passage

1Check the cooling water inlet covers and cooling water inlets, clean if clogged

S6AG3350

S6D53130

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