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-   -   Tire rub chain (http://www.clubchopper.com/forums/all-chopper-talk/122785-tire-rub-chain.html)

Tx51 12-18-2018 02:03 PM

Tire rub chain
 
Put new wheel in after the make over, havent ridden da chop much since I got new toys....never had a problem with previous wheel n now as much as I try, with wheel straight n center, chain is slightly rubbing tire.
Below is my set up (left side drive, 250 rear, same tire, different wheel)
1. Swing Arm
2. Axle tag mount
3. Exile sprotor brake setup
4. Sprocket
5. Hub

http://i58.photobucket.com/albums/g2...ps0tmwghml.jpg

http://i58.photobucket.com/albums/g2...pspdeebx9f.jpg

http://i58.photobucket.com/albums/g2...psr6jgigih.jpg

http://i58.photobucket.com/albums/g2...psm6obbgm5.jpg


http://i58.photobucket.com/albums/g2...psaggpmkru.jpg

In between the 3 and 4 is a small spacer. And on the other pics, it shows the other side of the sprocket showing the hub, and right side spacer. I never had trouble with alignment before, new wheel new problem. Where do I start?

Shovel52 12-20-2018 05:09 PM

What would happen if you put some shims on the other side of 4 and machined the same off of
3....? or other spacer, Then move you counter sprocket out to align.

Tx51 12-21-2018 04:13 AM

Shim for sure on other side of 4....and maybe machine other side spacer as u say shovel....but is there a special kind of spacer that goes between the sprocket and wheel hub?

Shovel52 12-21-2018 06:03 PM

Would have to look , but I would say no, the shims ( or just washers) behind the bolts....would act as the spacer..You should pull it apart and look at it..You may be able to spread the frame apart back there and no need to machine for space..only talking 1/16 inch or so? 1/8? Beautiful wheel, a pain to clean Huh? especially with chain..

Tx51 12-22-2018 03:41 AM

Good thinking shovel! The whole bike is hard to keep clean.....pipes spreading the dirt dont help....neither does me twisting the throttle hard as much as I can

Tx51 01-07-2019 01:28 PM

http://i58.photobucket.com/albums/g2...psabihquaz.jpg

Is this what I need to go between the sprocket and the wheel?(between 4 and 5)

EdCase 01-07-2019 01:52 PM

If the wheel is centred, are the front and rear sprockets in alignment with each other?
If they are, putting a spacer between your rear sprocket and wheel hub will make the chain run out of alignment.
You might need to space the front sprocket as well.

Shovel52 01-07-2019 08:03 PM

It looks like it would..You would need the same thickness for the front, as EdCase mentioned..they are available, I saw some on ebay ....

EdCase 01-08-2019 05:06 AM

They sell all sorts of spacers here, but I dont know if they have any dealers in the US

https://www.motorcyclestorehouse.com/

It'll give you an idea on whats available and a rough price of parts.
just type "sprocket spacers" in the search box

rem hamilton 01-08-2019 05:44 PM

i fought the tire rub thing when i replaced the metzler on the rear 7 years ago.
not technically correct but i got a rasp and took off some of that ridge at the center
of the tire. problem gone!

Neverlost 01-09-2019 10:58 AM

Just let the chain rub the tire for a while problem gone. I did space both sprockets out latter..

Tx51 01-15-2019 08:34 AM

I had another set of eyes look at this .....he suggested we take wheel off to see if we could find the obvious...nothing. re aligned the wheel and we were off 1/8 inch on one side before the tire rubbed chain...is that too much?

Also, picked up rear of bike to spin back wheel...noticed only on a certain part of tire, chain rubs very little. Is it the tire, wheel, chain, bearings...or just ride da dam thing?!

Neverlost 01-15-2019 11:40 AM

Quote:

Originally Posted by Tx51 (Post 1286049)
I had another set of eyes look at this .....he suggested we take wheel off to see if we could find the obvious...nothing. re aligned the wheel and we were off 1/8 inch on one side before the tire rubbed chain...is that too much?

Also, picked up rear of bike to spin back wheel...noticed only on a certain part of tire, chain rubs very little. Is it the tire, wheel, chain, bearings...or just ride da dam thing?!

When I put on my new tire thatís about how far mine was away 1/8 inch. I rode from Washington to California. When I got back the tire was pretty chewed up.It didnít rub any longer. I continued to ride it like that for a while. After a while I spaced bothe the front and rear sprockets out about 3/8 and zero problem after that. So if you donít mind your tire being a little messed up you can ride it with no problem. If you donít want it to rub space them out.

EdCase 01-15-2019 12:19 PM

Quote:

Originally Posted by Tx51 (Post 1286049)
Also, picked up rear of bike to spin back wheel...noticed only on a certain part of tire, chain rubs very little. Is it the tire, wheel, chain, bearings...or just ride da dam thing?!

Is the wheel sitting on the bead of the tyre all the way around?

If not, apply a little soapy water around the wheel rim edge and over inflate the tyre untill it seats properly, then deflate it to the correct pressure.

chopperfugger 01-17-2019 08:23 AM

If you let it rub it sets up an oscillation in the chain.
I start thinking about the chain jumping when traveling at 100mph +


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