Question about 1993 Harley Davidson FXR Super Glide
Either synthetic or conventional oils are fine as long as they are changed regularly. I prefer Mobile 1 or a mix of 2qt Valvoline VR1 20-50 and 1 qt Valvoline 20-50 Synpower for the engine. Wear tests and professional oil analysis of both have been excellent. Run Bel-Ray in the trans. It's a bit thicker than the HD stuff and will muffle the Harley "clunk" when shifting. The HD chaincase oil is fine in the primary.
Posted on Jul 23, 2009
Posted on Jul 11, 2009
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Posted on Jan 02, 2017
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