engagement wear marks. experience much popping out of gear or really hard shifts?
replacement? IIWM, yes.
transmission troubles are the worst, especially if you dont have a frame kit and need to take the engine out...again
I rode most of the summer without 5th gear. Sucked. I'll be pulling the engine in the next few weeks to try and figure it out, for the third time
Ive heard a lot of good things about the cycle-x back-cut gears.