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Old 06-05-2007, 07:59 AM   #1
Lornce OP
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Airhead Exhaust Threads: Alternate Repair

A friend, frustrated with the wait and cost involved with repairing the knackered exhaust thread on his '83 R80ST, found this nifty product offered by Walter Price in Germany at:

http://www.price.gmxhome.de/sternmutterersatz.html.

Very nicely finished pieces:
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Old 06-05-2007, 08:01 AM   #2
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The thread on his left jug's exhaust spiggot is well and truly bunged.
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Old 06-05-2007, 08:03 AM   #3
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Walter Price's widget to the rescue:
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Old 06-05-2007, 08:06 AM   #4
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Just bolt the two peice clamping ring to the spigot's threads:
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Old 06-05-2007, 08:07 AM   #5
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Nice widget.

as for prevention, how much do exhaust nuts cost? something like $15?

The PO of my r80 bodged the exhaust threads and had them repaired. For the last five years I've loosened them, added a little antisieze, and tightened them back up as part of winter maintenance. If things get ugly, I'm just gonna crack off the nuts.
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Old 06-05-2007, 08:11 AM   #6
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Then draw the one piece ring tight, with the provided bolts, while compressing the original clamping rings into place on the exhaust pipe.

It's a slick cure that takes only minutes to install.
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Old 06-05-2007, 08:14 AM   #7
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And makes Airheads two-thumbs-up happy.

Frank and his newly silenced R80ST.

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Old 06-05-2007, 08:14 AM   #8
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Those are a pretty cool idea.
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Old 06-05-2007, 08:27 AM   #9
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Quote:
Originally Posted by Stagehand
Those are a pretty cool idea.

I knew you'd like 'em, Jason.

Cost was $160Cdn to Frank's door in 5 days.

Thread repair was going to be close to $300 and over a month of riding time. A month's PRIME riding time! Which in Canada, of course, is priceless.


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Old 06-05-2007, 08:40 AM   #10
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those thread do look like a show-stopper. practically non-negotiable.

I think maybe it was Datchew who first brought these to my attention... maybe a few months ago, now. Dont forget to anti-seize those little bolts, too, probably. Dont want those to seize up, either
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Old 06-05-2007, 09:01 AM   #11
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and don't EVEN ask whether to use silver or copper colored anti-sieze.

you may as well start a "what's the best oil" or "mac vs. pc" argument first to just get warmed up for something like that.
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Old 06-05-2007, 09:02 AM   #12
Wirespokes
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Too bad they don't have fins. But it is a cool idea.

Are they stainless or aluminum?
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Old 06-05-2007, 09:08 AM   #13
jtwind
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Quote:
as for prevention, how much do exhaust nuts cost? something like $15?
They are $32 these days.

There was another thread awhile back that talked about these clamps. JT

jtwind screwed with this post 06-05-2007 at 09:13 AM
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Old 06-07-2007, 11:21 AM   #14
Bobo1167
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How did you contact Walter?

Lornce, I'm in the market for the clamps too. I've had a message into Walter who makes 'em in the old country, but have no reply in two weeks.

Did they come direct from Germany? Or was there some north american connection where they can be found?

I have also reverse reamed the threads off one of my airheads and don't wanna take the heads off for repair.

Thanks bobo
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Old 06-09-2007, 05:47 AM   #15
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me too

ISO same info as bobo. (also serving as test message)
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