Should A Thicker SAE 60 Oil Be Used To Fight Heat In Harley Engines?
A reader asks: I’ve got a 2014 Harley-Davidson Road King. Is it OK to run SAE 60 oil in the engine rather than 20W-50? I’m thinking that a thicker oil would be better in on really hot days. I also hear that a thicker oil will quiet down engine noise. Our answer: You are far…



