Quote:
Originally Posted by MtnClimber
If the diaphragm is okay, the pump shouldn't be leaking any other way, or would it?
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Well, there are two valves inside the fuel pump and I suppose if one is stuck open it could allow fuel to drain back. But the oil being thin and smelling of gas says it is the diaphragm. Sometimes you need to stretch and flex the diaphragm to see the breech. Gas in the oil = most likely the fuel pump
Could also be siphoning from the carb. Do you have a sight glass in the carb bowl? I don't know about R'Chesters.
GL
