SOURCE: Oil type for Onan 4000 generator
SAE 15W-40 is what i used to use
synthetic? not sure about that one there may be oil pres switch that could give you a problem.
SOURCE: onan 4000 start good runs only ten minutsand shuts down,starts up
First locate the oil pressure switch and see if you can bypass it,then see if it runs. If not check the fuel filter and fuel pump,make sure solonoid for fuel pump is kicking on.
SOURCE: I have an onan 5500 gas generator that wont start
What is the model? Chances are the carb needs cleaning or replaced.
SOURCE: need onan marquis 5000 model 5bgmfa26105f wiring
Give me to full model and spec # and I will email you a service manual.
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