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Painter · 10-11-2014, 06:34 PM

I have seen issues with lite weight/synthetic oils in stationery engines and generators. The conditions these units run in, closed compartments limited air flow, long periods of use seem to really like a heavier oil. I prefer a high quality 20w50.

10-11-2014, 06:34 PM	#13
Painter Member Join Date: Dec 2012 Posts: 227 Likes: 4 Liked 162 Times in 45 Posts	Re: Onan Aux Issue I have seen issues with lite weight/synthetic oils in stationery engines and generators. The conditions these units run in, closed compartments limited air flow, long periods of use seem to really like a heavier oil. I prefer a high quality 20w50.