Reply To: What oil for hyosung 125cc gv aquila
Yes 10w40 is used on the engines. As it’s almost summer time, using 10w-60 grade helps a bit more (the twins have a lot of moving parts inside 😉 )
I normally 15w50 then 10/40 when its winter time (it’s already cold out here!)
Silkolene & Motul do best!