Onan BFA Oil - Why not 20W-50?
Note: Our typical camping climate range runs from 10F to 115F (if we go to Redding, CA in the summer... otherwise up to about 105 in Southern Oregon.) Clearly Onan/Cummins have updated their recom...
Forum Discussion
Clean oil is my concern. Engine well within HC and CO emission specs. If you check the lifespan expectancy between air cooled and water cooled generator engines you'd remember it. Air cooled engines are much more fragile. I have seen a number of 37-hp Wisconsin engines running with 300+F lube oil.
