Final drive alighment
F6Dave:
While inserting the driveshaft into the swingarm tube, it often helps to rotate the shaft by grabbing the drive splines and turning them.
0leman:
After inserting the driveshaft into the U-Join a number of times, I have come to the conclusion that it is a crap shoot. I have had it slip in easy one time and had it cause me to stop doing it, walk away for a few minutes ( and say some choice words). Yes, the slight movement/wiggle does seem to help. Also have the swing arm level or slightly raised helps.
HayHauler:
On my last tire change last year and final drive inspection, I replaced the u-joint. I usually don't have any issues stabbing the drive shaft into the joint, but this time it wouldn't go, no matter what I tried.
So, I removed the new u-joint and upon inspection, the heat treat of the splines on the shaft side of the joint was sub-par. The leading edge of the spline teeth were damaged and would not go in, even with both shaft and joint off of the bike.
Luckily, I have 3 new joints, so I opened another new one and it slid right in on the first try.
I marked that u-joint "BAD" and put it on the shelf. I could see the heat treat line around the shaft end of the joint was not as substantial as the others, even the one I was replacing. I kept the one I replaced for a good spare.
I don't think this is your issue, but I am just putting it out there for others to learn from.
Hay 8)
Jimmyt
TrapperAH1G:
Took the pumpkin off this morning, shaft was seated in as it should be. Had to "jerk" it out as normally do. Tried 3 more times using the dowel and aluminum trim, each time it was the same result.
However, now I can't get the wheel to install! The pumpkin is seated flush on the swing arm, nuts finger tight. Just can't get the splines to mesh. Driving me to recall that there are some days when my profanity vocabulary just isn't quite sufficient!
Timbo1:
Quote from: TrapperAH1G on August 29, 2025, 02:10:24 PM
Took the pumpkin off this morning, shaft was seated in as it should be. Had to "jerk" it out as normally do. Tried 3 more times using the dowel and aluminum trim, each time it was the same result.
However, now I can't get the wheel to install! The pumpkin is seated flush on the swing arm, nuts finger tight. Just can't get the splines to mesh. Driving me to recall that there are some days when my profanity vocabulary just isn't quite sufficient!
I've had luck by installing the axle without the caliper bracket & spacer. Then from the right side with bike in gear I can pull the wheel with slight rotation into place. Once the wheel seats I pull the axle back out enough to get the spacer and caliper bracket into place then slide the axle back through.
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