The best thing i want to say is use only car dedicated 20w50 engine oil and se the result because 20w50 grade for cars are specially designed for wet clutch compatible engines of cars which is ...

If you have time go to YouTube and learn about engine oil grade. It will help you. My recommendation Motul 7100 10w40 if you have ridden 2k km or else stick to yamalube.

In certain situations, you will need oil that is a tad bit thicker. For example, during the summer and warmer months, Kawasaki recommends you use 20W-50 engine oil in its lawn mower engines ...