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rear wheel alignment

11K views 30 replies 14 participants last post by  rustypipes502  
#1 ·
I just changed out my smoothride shocks for my arnotts, and my rear tire isn't centered. The bottoms of the shocks look like they are leaning to the left. I measured from the sidewall of the tire to the fender and sure enough, the tire is sitting to the left. The left shock is rubbing the belt cover. The rear wheel has never been off the bike. I don't know if the wheel isn't centered in the swingarm, or if the whole back end is off. I don't really want to have to take it the stealer, so any advice would be greatly appreciated.
 
#2 ·
I really don't see how the wheel alignment will make the shock touch the guard.
There are 2 ways to align the wheel.
1 is with the small amount of slop at the right side adjuster cam.Usually if this is off,the belt will track off centered in the rear pulley.
To align the front and rear,there is a turn buckle at the front of the engine.The whole engine and swing arm assembly articulates at the rear mount for alignment.The whole assembly moves and will not change the position of the wheel in the swing arm.It will change the position of the assembly under the fender,but some pretty accurate measuring needs to be done before you mess w this.
 
#4 ·
Check the pulley alignments. That's more important than anything on the back end. If those pulleys are not in align then you are in big trouble. Use a fluorescent tube to check for alignment. This tube is perfectly straight and should lay against, or real close, with all 4 pulley contact points. Everything else can be adjusted with spacers etc.
 
#8 ·
Post a pic of it from straight behind it before doing anything. Add a few pics of what you think the problem is. If the bike was fine before, then I highly doubt there is anything wrong now if all you did was change shocks IMHO.
 
#9 ·
I knew there was a problem before, but i didn't know how to fix it. The bike rides fine and I haven't had any problems with it at all. (knock on wood) I'm leaving to work in a few min. So I'll try and post a pic tomorrow.
 
#13 ·
I'm with Skinns and Jan and feel that if the only thing you changed was the shocks then the spacers must have migrated to the wrong spots.
the alignment fr to rear is critically crucial and measurements are of prime importance. do it carefully
 
#14 ·
I put the shock spacers on according to the arnott instructions. The rear wheel has never been messed with, I'm the only owner. My warranty is also expired and I seriously doubt the dealer in Santa Fe would fix without charging me an arm and a leg.
 
#15 ·
There's the problem........those darned instruction sheets again. best bet would be to LOOK at a known good rear end and compare it to yours to SEE
 
#16 ·
This is weird. Take the shocks off altogether, and look then.
 
#17 ·
Louis........he is always wanting to take things off and look at 'em
 
#20 ·
It's on the jack already...pull the wheel off and go over everything. This is too important not to see with your own eyes what's going on. Do you have a service manual and/or parts catalog with exploded diagrams?
 
#21 ·
Before I did my 240 swap I checked mine and it was out by about 5mm ,I ajusted it by the turnbuckle, it was not that had to do but just make sure that when you do it that you remeber that what ever way you turn the buckle that it move's your swingarm the opposite way I used a straight edge and put it against each side of the tyre and up against the frame to see how far it was out ,but with the spacers for the arrnots I used some of the stock one's and some of the one's that came with the arrnots to get them to sit right.
 
#22 ·
I doubt the dealer knows how to align the front and rear tires w the turn buckle.

No need to worry about the dealer and warranty,because w some more info and some checking this can be figured and adjusted pretty easy right at your home.

First question is,did the factory shocks touch the belt guard?

Thinking more about this,if the new shock spacers are on in the wrong spots and causing a severe bind,this could cause the mounts to flex enough to off center the tire.

Try removing the shocks and recheck the side clearance of the tire.
 
#23 ·
Check out my video on the alignment tool... check the distance from the pivot shaft to the axle center once.

Check the swingarm bearings.

Rod
 
#24 ·
Just a guess but it looks like the dirt on the tire is more on the left side of the tire from walking the bike around a dusty shop floor with a slight lean. Eyes playing tricks on you
 
#25 ·
Ok, this may sound stupid, but..... After I changed to the 240 tire with widened swing arm I swore the alignment was off as well. I had everything apart over and over again for 2 weeks. I lined every thing up every which way I could including using laser sighting. I always came within about an eigth of an inch. Then it finally dawned on me that the rear fender was what was out of alignment. The way it mounts it can shift side to side and at angles front to back.
 
#26 ·
The stock shocks did not touch the belt guard. Then I had Smoothrides, and the it was REALLY close, but, didn't touch. With the Smoothrides, I had the struts underneath the fender rub the tire on a couple of occasions. The marks they left on the tire were to one side as well. When everything was stock, my uncle noted that the liscense plate looked like it was sitting to the right. This was only about a month after I got the bike. The dirt on the tire has always been to that side after i ride. The bike rides fine, no problems at all.