ONAN OIL CHANGE

jerry hoxsey

New member
Oct 18, 1999
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Well, in typical GMC owner fashion, I decided to give my wife a mothers day
present I knew she would appreciate. I changed the oil in the generator.
The oil filter for a 4KW ONAN is not apparently the same as a 6KW. The 6
takes a mobil M1-103 and the 4KW(which I have) takes mobil M1-102.

BTW before you attempt to crank the generator, be sure to replace the
DIPSTICK. ENOUGH SAID!!!!!!
Jerry

PS I started to say if you don't know what happens, try it with the
dipstick out but please don't. One fool a day is enough!!!!!!!