Engineered Marine Products 1399-07359 VRO Replacement Fuel Pump for Johnson Evinrude Outboards

The Engineered Marine Products 1399-07359 is a VRO (Variable Ratio Oiling) replacement fuel pump designed for Johnson and Evinrude outboard motors. This non-oiling fuel pump conversion kit eliminates the VRO oil injection system, requiring pre-mixing of fuel and oil in the tank instead.

Key Features:

• Designed for 90-degree angle cylinder block engines only (pistons at right angle configuration)
• Compatible with V4 90-140 HP Looper engines and V6 150-235 HP Looper and Crossflow outboards
• Suitable for 90HP to 250HP engines with 90-degree cylinder blocks
• No wiring required for installation
• Replaces OEM part numbers 5007420, 5007422, and OMC 4-7359
• Pre-mix conversion eliminates problematic VRO oil injection system

Important Compatibility Notes:

• NOT compatible with 60-degree angle cylinder blocks or three-cylinder motors
• Crossflow engines feature shaped piston tops; Looper engines have flat-top pistons
• If motor cover has louver vents, it is a 60-degree block and will NOT work with this pump
• Minor modification required: mounting bracket must be notched per installation instructions

This aftermarket fuel pump provides a reliable and cost-effective solution for converting VRO-equipped Johnson and Evinrude outboards to a traditional pre-mix fuel system, improving reliability and simplifying maintenance.