that's right. It revs fine. Prior to yesterday, it ran fine. Quick jab of the throttle bogs down a bit and then starts to rev very high with severely under-powered movement of the quad. There is no roll resistance. rolls fine in neutral and as you get into about 4th gear and it loosens up...
I know very little about maintenance or engines of any kind. I bought a 99 warrior used in December of 2009. It ran like a top the few times I was able to ride it. Sat in a barn through a few winter storms and then ran fine when I charged the battery a couple weeks ago. Yesterday and today...