Rear wheel tracking question. NOOB. - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 12 (permalink) Old 09-09-2006, 07:39 AM Thread Starter
 
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Rear wheel tracking question. NOOB.

Hey guys

I was in the middle of making some adjustments on my chain and I started to wonder how I can tell if what I'm doing is correct. I know how to take the slop out but how am I going to know if when I'm done that the wheel it going to be tracking perfactly straight with the front wheel. It has the silly hash marks on one side of the swing arm which don't help if their not on the other side as well. If I go off the swing arm to the lip on the rim it's off, a lot 1/4. I just took this bike over so what I'm really doing is looking everything over real good. Also how much slop should be in this used chain?

98 zx9r

Thanks
Gene
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post #2 of 12 (permalink) Old 09-09-2006, 08:18 AM Thread Starter
 
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found a few threads one on this string thing. I guess I'll try it. Can't I go off the swing arm?
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post #3 of 12 (permalink) Old 09-09-2006, 10:11 AM Thread Starter
 
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Looks like I'm the only one posting here HE HE O well. Tell me if this works. I took a dial indiactor, using the outside flat surface of my swing arm I measured from their to the lip on my rim, adjusted it out evenly on both sides till I got zero, done.......???????????? Sound good?????????? NO??????????
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post #4 of 12 (permalink) Old 09-09-2006, 11:07 AM
 
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I would suggest picking up the book "101 Sportbike Projects". It should have info on this sort of work. You can also go to your local bookstore and check out some motorcycle maintenance books. Sorry I can't give you specific information.
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post #5 of 12 (permalink) Old 09-09-2006, 11:25 AM
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There is a device you can buy that attaches to the rear sprocket. It has a rod that you can eyeball with the chain.

I use a long straight edge, place it against the rear wheel and see where it lines up with the front wheel. Placing it on both sides of the rear wheel and comparing with the offset to the front wheel.

Your results may vary.
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post #6 of 12 (permalink) Old 09-09-2006, 02:34 PM
 
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Go buy one of these, they are about $25. https://www.twowheelforum.com/showthread.php?t=5589

Works great and beats eyeing or the string method IMHO
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post #7 of 12 (permalink) Old 09-09-2006, 04:01 PM
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Go buy one of these, they are about $25. https://www.twowheelforum.com/showthread.php?t=5589

Works great and beats eyeing or the string method IMHO
Exactly! Rep pt to you Fat!

You can also use 2 long floresent light tubes.

You can also measure the distance from the swingarm axle/pivit point to your rim axle. The distance should be exactly the same!




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post #8 of 12 (permalink) Old 09-10-2006, 06:49 AM
 
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Originally Posted by Captain Morgan View Post
I would suggest picking up the book "101 Sportbike Projects". It should have info on this sort of work. You can also go to your local bookstore and check out some motorcycle maintenance books. Sorry I can't give you specific information.
what about "sportbikes for dummies"
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post #9 of 12 (permalink) Old 09-10-2006, 11:40 AM
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Quote:
Originally Posted by Gas Man View Post
Exactly! Rep pt to you Fat!

You can also use 2 long floresent light tubes.

You can also measure the distance from the swingarm axle/pivit point to your rim axle. The distance should be exactly the same!
I just use my ruler. You can line it up with the tire or the sprocket by placing it along the side and comparing it with the chain.
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what about "sportbikes for dummies"
Ive never read that.

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post #10 of 12 (permalink) Old 09-10-2006, 09:13 PM
 
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Hey guys

...It has the silly hash marks on one side of the swing arm which don't help if their not on the other side as well...
98 zx9r

Thanks
Gene
Don't know about the ZX, but on my CBR when I take off the rear wheel, the chain adjuster block can come out of the swingarm. If you twist them around and put them back in the swingarm, the hashmarks will be facing in toward the wheel. So you won't be able to see them. Don't ask how I know this, especially after successfully putting in the axle and then looking to adjust the chain and not seeing the hash marks.
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post #11 of 12 (permalink) Old 09-11-2006, 06:22 AM Thread Starter
 
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thanks for the help guys go it done.
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post #12 of 12 (permalink) Old 09-11-2006, 09:01 AM
 
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I use a laser level. I put it on a jack stand behind the rear sprocket and shoot the line down the center of the rollers to the front...if it is off, you will see it.
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