Thanks for posting the UOA, Im new to Harley, picked up a 14 Road King last August while I was on vacation, of all places two states away. Left the old bike Vstar1300 at Pigeon Forge Harley and rode home on the new RK.
Anyway, Im not normally loyal to motor oil brands, but Valvoline always seems to post good UOAs never unpleasant surprises, including their conventional 20/50 Motorcycle Oil which I became a believer in on my vstar, I posted a good UOA in this forum back in 2012 which isnt to many pages back.
Im also a believer in conventional oil in the bike, not sure why, maybe because I change a few times a year sooner rather then later using conv. I did my first change on the RK before winter (1000 miles) with HD conventional 360, will do another in the spring, at some point I think I will need to go to another oil as the conventional HD360 has disappeared from HDs website, as well as Primary + ... now they only have the Synthetic HD 360 which I dont plan on using.
So im tossing things around, most likely will use a conv Valvoline (VR1) in the engine and Valvoline 20/50 motorcycle oil in the Primary, maybe a synthetic (Amsoil or Syn VR1) in the transmission. ALL 20/50 oils.
Anyway, good report, on a 26 year old bike, in fact, great report. I wouldnt think twice about the "thinning" it still is border line, almost 50 weight oil and I would think another 1000 miles it would level out to still above a 45 weight.
