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Buell Motorcycle Forum » Quick Board Archives » Archive through August 31, 2009 » Sprocket attacks swing arm! « Previous Next »

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Aptbldr
Posted on Monday, August 24, 2009 - 05:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

SV riders apparently have spacer problems, too: http://forum.svrider.com/showthread.php?t=108818
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Glitch
Posted on Monday, August 24, 2009 - 07:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I believe I would have noticed long before it ate into the swingarm like that.
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Diablobrian
Posted on Tuesday, August 25, 2009 - 01:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

How could you NOT notice something was terribly wrong? The noise had to be incredible,
and handling had to go in the toilet too, unless it happened during a burnout, but seriously,
how could a rider NOT notice this happening? Unless they didn't care and wanted
to trash the swingarm and/or the bike?
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Greenlantern
Posted on Tuesday, August 25, 2009 - 08:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The time is currently 8:10 a.m. and I am calling Bull****!
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Iamike
Posted on Tuesday, August 25, 2009 - 11:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I would believe it if it was my son's bike. When he had his CBR for about a year I went to ride it one day and as I pulled out of the drive I thought that it had a flat tire. I turned around and checked the rear tire and it was fine. I could wiggle the wheel and the bearing was so bad that the cage was gone. I asked him how long it had been that way and he just said "When I rode faster it quit wobbling".
Then this year his old Jimmy was leaking oil all over and I asked him a couple of times if he checked his oil and he said he did. One day he called and said it sounded bad and the Check Engine light was on. I already knew what it was but he drive it home. I put 4qts. of oil in it and it only holds 4.5.
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Krassh
Posted on Tuesday, August 25, 2009 - 11:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Copied from that forum post.







(Message edited by blake on August 28, 2009)
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Krassh
Posted on Tuesday, August 25, 2009 - 11:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Don't know what is worse the guys friend (who is going to be wrenching on the bike) or the idiot that bought the bike and did not notice that damage.
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Rick_a
Posted on Wednesday, August 26, 2009 - 12:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Reminds me of these girls that stopped in our parking lot recently with the hood up. I asked if everything was ok. A girl says something like, "everything is fine, my oil light is just on."

They have a few quarts of oil there so it looks like it's been a long term problem. She takes the cap off the valve cover and smoke billows up with that nasty burnt oil smell. I just had to turn around and walk away.
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Not_purple_s2
Posted on Thursday, August 27, 2009 - 08:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

strange, the nuts and studs look completely undamaged.
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Diablobrian
Posted on Thursday, August 27, 2009 - 04:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Why would they be damaged? That swingarm was like going through butter for grade 5 or 8 studs/nuts.
They basically machined the swingarm incrementally with a dull "fly-cutter".
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Krassh
Posted on Thursday, August 27, 2009 - 04:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yep Hardened hardware vs soft aluminum. No contest.
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Buellinachinashop
Posted on Thursday, August 27, 2009 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Is it me or does it look like somebody carved/filed out the swing arm for the nuts and studs??
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Nik
Posted on Thursday, August 27, 2009 - 07:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yep Hardened hardware vs soft aluminum. No contest.

Note the rust on the swingarm of that inferior motorcycle.
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Diablobrian
Posted on Friday, August 28, 2009 - 11:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The rust looks like it was scraped off of the sprocket and stuck to the swingarm with
either road oil or an excess of chain lube, but it is definitely an aluminum part.

Notice that the rust is scattered like dust not in clumps like it would be if it was
let go as long as it would have had to be for that much rust. A steel sprocket would have
long since had the paint scraped off of it by the burr in between the sprocket ans swingarm.
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Bikertrash05
Posted on Friday, August 28, 2009 - 01:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Rust might be from what looks like a very dry chain.
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