I've heard the pro's and con's of oil injection. I've personally owned 5 OMC's with VRO systems, after the first 3 motors had problems that would have killed the motors, I disconnected them. The last two were a pair of 1997 130 hp Johnson loopers, great motors and they never ran with anything but premix, I'd had all the fun I could stand with the first 3 motors which included a 150 crossflow and a pair of 140 Evinrude loopers. I love the OMC 2 stroke motors but have had 100% failure rate with the VRO. I never let it run dry, it just doesn't work and doesn't alarm until hours too late to save anything but the lower unit. I ran a neighbors boat which had a VRO system. I told him the motor seemed to be slowing down and I added a gallon of oil to the fuel tank. He said no problem, the VRO tank was full and no alarm, adding the oil probably ruined the plugs. On the second fishing trip later (once my gallon of 2 stroke oil was consumed) the motor siezed.
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