1st Gear
Join Date: Nov 2012
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What's up with my chain? - Tension varies as wheel turns
I just upgraded to a 16t sprocket on my '08, and after letting it sit for a few days, took it out for a test ride last night. I heard a rhythmic rubbing noise coming from the chain that correlated with my speed.
Upon closer inspection (Pushing the bike along) it looks like my chain tension varies as the wheel turns. At times I've got about 2" slack, and other times there is no slack at all. Additionally, as it tightens up, I can see/hear a link 'click' on one or two of the rear sprocket teeth.
The real wheel looks to be in alignment, and the chain tensioner markers are equal on either side. Another note, does anyone know how many lbs. to torque the rear axle to, after I adjust it again?
Upon closer inspection (Pushing the bike along) it looks like my chain tension varies as the wheel turns. At times I've got about 2" slack, and other times there is no slack at all. Additionally, as it tightens up, I can see/hear a link 'click' on one or two of the rear sprocket teeth.
The real wheel looks to be in alignment, and the chain tensioner markers are equal on either side. Another note, does anyone know how many lbs. to torque the rear axle to, after I adjust it again?
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klr4evr
69#'s on the axle nut torque.
Check your 16T sprocket install. Did you get it reversed?
Check your 16T sprocket install. Did you get it reversed?
My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.
"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "
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My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.
"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "
<--- Please fill in the 'Location' on your personal profile page. User CP/Edit Your Details
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1st Gear
Join Date: Nov 2012
Posts: 15
I didn't have any instructions with the new sprocket -- how can I tell if it's reversed? Also, Do I need that rubber dampener behind the sprocket? Reading through a couple of threads, it seems like it might not be necessary.
Where did you get or who is the manufacturer of the sprocket? Some sprockets come with a spacer washer, some don't. The rubber bit only comes on the factory sprocket and is attached to it.
What is the condition of your chain??
What is the condition of your chain??
My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.
"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "
<--- Please fill in the 'Location' on your personal profile page. User CP/Edit Your Details
This information makes it much easier for other members to answer/comment on your posts.
Last edited by klr4evr; 07-17-2013 at 02:37 PM.
1st Gear
Join Date: Nov 2012
Posts: 15
The sprocket is a Sunstar 520, picked it up from Motorcycle superstore. I put the rubber dampener back on with this sprocket, could it be putting the sprocket out of alignment?
Banned
Join Date: Mar 2012
Posts: 411
Don't trust the adjustment marks on the swingarm. Get a precise measurement from the centerline of the swingarm pivot bolt back to the axle. I check that on occasion but I usually just get down on my prayer bones, close one eye and look down the chain. You would be amazed how just the slightest deviation looks like a dogs leg.....
Quote:
Originally Posted by tommm
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The sprocket is a Sunstar 520, picked it up from Motorcycle superstore. I put the rubber dampener back on with this sprocket, could it be putting the sprocket out of alignment?
My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.
"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "
<--- Please fill in the 'Location' on your personal profile page. User CP/Edit Your Details
This information makes it much easier for other members to answer/comment on your posts.
Last edited by klr4evr; 07-17-2013 at 03:14 PM.
1st Gear
Join Date: Nov 2012
Posts: 15
Quote:
Originally Posted by klr4evr
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Ya best remove that. Just install the sprocket as it came. Does the Sunstar come with a washer? If I recall it has the shoulder machined on it and no washer.
Lifetime Member
Join Date: Jun 2010
Location: Alberta, Canada
Posts: 2,480
If your chain tension varies depending on where you check it, I would say your chain is pooched...
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