rhmahoney said:"We had a 4K Onan, and one thing I noticed right off that it doesn't have an oil filter."
I doubt that. They do hide them very well, however. Look again on the underside adn open all the access panels. Needs fresh oil and filters every 150 hrs
DonTom said:I cannot speak for other types of generators, but my Generator is a Onan MicroQuiet 4000 (model:4KY FA261OOJ) and there ain't no oil filter. And none is mentioned in the manual under the oil change procedure.
-Don- SSF, CA
"It is also important to exercise the generator at least monthly all year long, even if the unit is in storage."