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Buell Motorcycle Forum » Old School Buell » Archives OSB 001 » Archive through April 26, 2006 » Problem Primary Chain Tensioner have you seen this type of wear? « Previous Next »

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Slingshot
Posted on Tuesday, April 18, 2006 - 04:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hi everyone, I have a 2000 x1, I upgraded to the new tensioner. I have included a pix of the old original tensioner, it has worn down on the corner from rubbing against the stator? This cannot be normal. The chain seems to be ok as the bike has 10,000 miles on it. The manual says when you can't adjust it any more replace the chain and the tensioner, I have a lot more on the bolt. The tensioner did not break it is still good. I just wanted to update it. New tensioner was installed and adjusted. It seems like it is making a little noise. Has anyone ever seen this type of wear and are there suggestions on what is going on or how to fix. You guys are the best and thanks for any input.

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Buellistic
Posted on Tuesday, April 18, 2006 - 06:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

BUELLers:

This is what "i" have been telling you'all
all along about your "PRIMARY CHAIN" being
ajusted "TOO TIHGT" !!! NOW YOU'LL HAVE A
PICTURE !!! The Factory Motors Manual is
wrong !!! Adjust you PRIMARY CHAIN to 3/4
inch on the tight spot, cold, PERIOD !!!
The chain will not rattle(hit your engine cases) ... When adjusted correctly you can hardly see any drag marks on the adjuster
PLASTIC ...

IN FACT YOU DID NOT HAVE TO REPLACE, all you had to do was to adjust the chain properly ...

In BUELLing
LaFayette
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Jackbequick
Posted on Tuesday, April 18, 2006 - 06:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

In the photo the wear marks on the shoe don't look to be centered. The shoe is supposed to be installed with the closed side towards the cover and the open side towards the motor. If that shoe was put in facing the wrong way, it could move towards the stator. Is there any possibility that it was in wrong?

Jack
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Oldog
Posted on Wednesday, April 19, 2006 - 12:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That makes sense to me Jack
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Natexlh1000
Posted on Wednesday, April 19, 2006 - 12:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That corner wear is strange.
I replaced my original shoe at about 40,000.
I didn't really have to, I just wanted to upgrade to the new version.

I just went out and grabbed it from the garage. There is just a hint of wear on one corner. (see top left)


corner


It just bearly kisses the metal to polish it.

second


There was also some odd mark on the side.

side


I hope this helps.
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Slingshot
Posted on Wednesday, April 19, 2006 - 01:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hi Jack,
The shoe was installed correctly,the open side was towards the stator. I wonder if the hole where the tensioner mounts to the case is not right. When they are cast are the holes drilled and tapped? Could the hole be in the wrong place?

Buellistic I will loosen it up, I adjusted it according to the manual. I hope this does it as the new one has a bigger chunk of metal under the shoe. It just seems to easy! Hope your right!

Nat did your stator have shinny marks on it, yours looks a little like mine not as bad tho.

Thanks for the replies, as always you guys are the best. Art
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Buellistic
Posted on Wednesday, April 19, 2006 - 07:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Slingshot:

3/4 inch on the tight spot, cold, "PERIOD" !!!

THE MANUAL IS WRONG !!!

"ALL OF YOU READ MY FIRST POST 18 APRIL at 6:35PM !!!"
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Dck996
Posted on Wednesday, April 19, 2006 - 10:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Slingshot, I too had similar wear on my tensioner. I've decided that this comes from the procedure used when making primary adjustments.

The tensioner shoe has clearance in the primary cover. When you turn the adjusting screw to loosen the primary chain, the tensioner could rotate so that the corner moves toward the rotor. Apparently, some of us have enough tensioner clearance to allow rotor contact.

When I did my tensioner upgrade, I saw the wear in the original tensioner, and decided to file a chamfer in the tensioner before installing it. I sized the chamfer strictly by intuition.

I now do all my primary chain adjustments such that I finish by tightening the chain, not by loosening it.

I also cut a short piece from a hex key wrench and epoxied it into the adjuster screw, to allow use of an open end wrench with the muffler in place.

It worked for me.
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Slingshot
Posted on Wednesday, April 19, 2006 - 01:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks you all for all the input. Now it's time to get the hammer out and fix the problem.
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Natexlh1000
Posted on Thursday, April 20, 2006 - 05:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Use a rock.
I prefer basalt.
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