Amazon.com: Motul 5100-Ester 10w50 Syn Blend, 1 Gallon : Automotive
Millers Oils ZFS 10w50 Fully Synthetic Engine Oil for Motorcycles
Any reason why I can't use 10w50 in the KLX110 instead of 10w40? I have a 4liter bottle left over from another bike I could use. Or just buy a new 10w40? :