What type of oil?

[bonified5]

I wanted to know what type of oil I shoul drun in my 05 ex. I live in PA and the temperatures are between 50-80 degrees right now. I was thinkin 10w-40

[400ex2072]

FOr an air cooled bike going into the warmer season here I would run 20w50, which is what most people run in these engines....

[Troy15x]

I race and know alot of other people who do and most along with myself use KENDALL 20w 50

Jeff at the shop ( partical sponser) said he would not work on my quad if I didn't run KENDALL

[bonified5]

ok thanks