M77
Hello,
~Motul 7100 10w40 (or 10w50) = Use this forever.
If out of stock (rarely) , then use these also;
– Silkolene Comp 4 10w40 or 10w50
– Silkolene Pro 4 10w40
I said 10w50 is good in summer, and i use 10w40 during the colder days, although the 125cc benefits on a 250cc cooler much more. Just an idea! Castrol is like water, no matter how flashy the box is. Motul 5000 is more basic , the service manual of the 125 Hyosung says use premium grade oil if you can to extend its life.
Best oil – GT125RC
Engine Oil GV 125 (carb)