This oil is fine for your harley.I have been using this in my 09 fat boy with no issues.Oil changes every 3000 mi.The winters are short and summers are hot,humid and long.This is my regimen.I use valvoline everywhere except primary there I use harley primary and transmision.winter months vr1 20w50 oil,75-90 trans.Spring vr1 straight 50wt oil,75-90 trans. Summer vr1 straight 60wt oil, 80-140 trans.Fall vr1 straight 50wt oil,75-90 trans.Oil filter bosch 3330 car filter.Trans,primary change intervals are 5000 mi.Absolutley no metal shavings of any kind on any of the magnetic plugs.This is my second harley and Ive used both syn.and the motorcycle specific oils.At these intervals this combo provides excellant protection and wont break the bank