1998 Yamaha Big Bear 350 Clutch replacement

[slamnationalley 10]

For starters, I'm not a mechanic, but due to economic times I've been forced to repair my own ATV. My clutch had been slipping for some time, so I bought a service manual and ordered new parts. I put in the new clutch plates and reinstalled just the way it came apart. Now my Big Bear won't even move at all. I put 10WX30 in and then changed to 20WX50 with the same results thinking it was the oil. The oil isn't synthetic. Any help would be appreciated.

[DirtDemon 12]

It is possible that something is keeping the pressure plate from applying adequate pressure to engage the clutch, could be the push rod hanging up, the springs may not be tightened enough. If it is the 2wd model, then things are a little different, make sure you got the correct clutch for your machine and make sure the you have the same mumber of friction discs and plates. If you have all the right stuff, I would start backtracking through the steps you took putting the machine back together and inspect the clutch components. You should be able to identify the problem when you come across it. It also looks like there are two clutches in that machine, one centrufugal clutch and one friction disc type. The problem could be with either one, check them both for proper operation. I would stronly recommend buying a repair manual if you don't have one already.

[Ajmboy 418]

Just like DD said. Soemthing is hanging up. If it's the wrong clutch kit, that could be a problem. Did you compare old and new parts?