The two wheel bearings are 93306-07806-00
and the drive assembly one is 93306-20644-00
Can you pick the bones out of that.
[attachment=218:attachment]
Well, going on the previous way they are coded the wheel bearings would be 6078's and the cush drive bearing would be 6206.
Never heard of 6078, but 6206 is a std sized bearing freely available from your local friendly bearing stockist.
Maybe Yamaha have used a 'special' to force you to buy them from Yamaha - they did it with the shock linkage on my moto-xer. The one bearing was a total special that was only available in Japan. Bastards.
Just looked at a 850 parts list and the sprocket carrier bearing is decoded as 6372, but the bearing is actually a 6322, so seems Yamaha don't always play ball.
If you can wait til Sat, I can go down my local shop and see if they know what they are.
Edited by GuyGraham, 12 December 2006 - 08:24 pm.