transmission

Hey 650 guys! been a member since i bought my 81special last march but havent posted yet, its a cool bike and has only caused me minor issues that i have sorted with the help of other threads but this time im stumped!! would be great to get some ideas as to what could be the problem!! So, the...

I'm rebuilding my engine and have the bottom end opened up. Everything looks good so I'm ready to put it back together. Looking at the shifting forks and the transmission gears, how do I tell if I have them lined up correctly? Do I just slide the gears around until they fit into the forks...

I'm out and about, in the truck, headed for the auto parts store. WHat type of transmission fluid does the '76 XS650 use? Filter? Thx

I don't remember exactly when I first noticed this, but it was a bit ago (stupid of me to wait this long). Anyway, when I downshift and coast or engine brake, I get a whine from somewhere down in the front. I can't tell exactly where, because it only does it while I'm moving. But it is only...

I had to replace a gear on my bike, so while i was at it I purchased the transmission bearing kit. I was impressed with the bearings compared to the stock ones, because the mike's set has a groove around the outside of the bearings, and a hole in the side. Since some of the bearings have an...

I thought my first gear was broken. First gear would work, but would clank abit. I pulled the engine apart, and lo and behold first is broken. Does anyone have any recommendations to source out a new gear? Will any other bike's gear fit as a replacement? My xs is a 78 special, which...

Is there anyone who has ran mikes 5th gear overdrive? What difference did it make?