Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 98Get this manual

FUEL TANK, FUEL COCK AND FUEL JOINT
SERVICE POINTS
Fuel tank inspection 1Inspect: 9Fuel tank 9Fuel cap CrackLeakDamage ReplaceDart Clean

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