Best Oil

[Blake24]

i just got done breaking in my new 400ex and i was wondering what oil i should start using.......i heard alot of people are using Mobil 1......but what weight do i use..........i live in Nebraska where the summers are Hot and i dont ride much in the winter

like a 20w50 ???

[Razorback]

mobile1 15w50 is excellent. i use it in the texas heat and no problems. if you want more information, do some searching for oil posts. also, look in the FAQ forum for more info. here is one link http://209.120.142.52/showthread.php?s=&threadid=6934

[lil400exman]

i use 20w 40 for ohio and rottella t my favortie stands up to high heat real well!:devil for such a hot rider like me lol but itsa good oil tthouh!