Originally Posted by Possu
Great thread, I'm thinking of getting a 390 in the future to replace my 2004 400EXC.
How are the valves clearances adjusted on these bikes, I like to do all my own servicing and wouldn't mind knowing what's involved?
How reliable are they, any horror stories out there, anyone racked up significant miles/hours on one yet?
There is some good information about adjusting the valves here: