IOWASTROKERExplorerAug 24, 2013Onan 5.5 oilDespite what the owner's manual says, which oil and how often for the Onan 5.5 This is my first oil change. Thx in advance. Johnny
11 RepliesReplies sorted by NewestShow Moreroller183ExplorerAug 24, 2013I have always used 15-40 like they recommend. 150hrs is my change point, or at least once a year.
roller183ExplorerAug 24, 2013I have always used 15-40 like they recommend. 150hrs is my change point, or at least once a year.
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