2000-2005 Yamaha F40B Outboard Service Manual, Page 476Get this manual

ELEC :11 STARTING SYSTEM (WHO, ED, ET)

-CHECKING THE WIRE CONNECTIONS
Check: Wire connections Poor connection Properly connect
CHECKING THE MAIN SWITCH

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