10-4 glider.---I allways listen to wise men that are 102 years old!!
(Man I have never thought so much about oil products before for my rides!!)
I am planning to change my tranny/primary lubricant of my 883 sportster 98, 26000km on the clock. I dont know which oil I have in it now but I want to put the best oil that I can find in the market.
spectro is not selling here in Turkey. I am not so sure but I guess that I can find M1 75/90 or 75/140.
2 questions;
*is the difference so huge btw spectro and mobil1? shall I order spectro from abroad or just go ahead with M1?
*if M1, 75/90 or 75/140? did anybody test both M1s?