How to Test a Johnson and Evinrude VRO Fuel Pump - Comprehensive Guide
In this video, we provide a step-by-step guide to bench testing a Johnson and Evinrude VRO (Variable Ratio Oiling) fuel pump. Proper oil delivery is crucial for adequate lubrication, preventing excessive smoke, carbon buildup, and spark plug fouling.
This video covers the entire process, including both the fuel pump and air motor portions of the VRO pump. Each step is clearly labeled with instructions on how to proceed based on your test results.
For a more detailed guide, including a flow chart and complete test plan, visit our website: PROMT Parts - promtparts.co....
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