Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 363Get this manual

Oil Injection Flow System Electronic Control Unit (ECU) LIGHT BLUE Leads

Magnetic Float

- FuelOil Mixture

:Fuel Pump

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