what kind of oils can i use?

[madsteam]

Does anybody use reg. motor oil like the one i use in cars or do you have to use factory oils. Thanks.

[2002400ex]

i think some oil you put in cars will mess with the clutch on 4 wheelers. i know o'reillys sells castrol motorcycle oil and thats what i use so i dont have to make a long trip to a dealership.

[madsteam]

Thanks for the info. I did a search and found alot of good stuff. Thanks again.