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Fuel Delivery problem on Johnson 60 horse
K. Smith wrote:
wrote: the VRO wires on this are not connected, all I've ever done was mix 50/1 myself. Today I took the pump apart again, the diaphragms were not tightened properly, this time, by turning each side of the pump, I tightened them right up. I think that may have been the problem!! I hope so anyway. I also replaced the lines from the crankcase and to the fuel filter and pump. I'll be testing it all tomorrow, if I stil have the problem, it has to be the tank. Good luck!!! K Upon re-reading, maybe you can take another look at that?? if all you've done is disconnect the VRO alarm wires, but left the oil plumbing itself in place??? that can also be a source of air getting into the fuel delivery. That's the design issue with the VRO, all that separates the oil from the fuel is an "O" ring on the plunger, so once that "O" ring leaks then fuel can back flow into & dilute the oil, or if there is no oil there (as might be the case with your system) then it will suck air into the fuel. If the VRO is no longer needed make sure the oil supply line is properly plugged so it can't deliver air instead of oil. Apologies for the extra post:-) K |
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