2004 Poalaris MSX110, MSX150 PWC Original Service Manual, Page 150Get this manual

FUEL INJECTIONIGNITIONEXHAUST SYSTEMS Knock Sensor Circuit
ECU 300 (Black)

C3 Knock Signal

B3 Ground Reference

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