StGlide1958 Member Apr 17, 2009 #1 Simple question of...When I change crank case oil to mobile 1 ( 20W50 Harley in it now) do I need to worry of any ill effects of the residual oil? Or just press on with pride?
Simple question of...When I change crank case oil to mobile 1 ( 20W50 Harley in it now) do I need to worry of any ill effects of the residual oil? Or just press on with pride?
F Fatboy07NH Banned Apr 17, 2009 #2 Just press on with pride..... That's what I did..... No problems.
M Motopsycho Member Apr 18, 2009 #4 Is mobile 1 a synthetic oil? Are there any issues with switching brands of synthetic?