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Manifold Nipple Repair Plan
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Originally posted by govmule84 View PostRight on. Thanks for the input.
I'll report back in due time.
Is this for yourself, or a customer, or ?
Gawd forbid its family, or even local: The 'due time' is forever.
....CottenAMCA #776
Dumpster Diver's Motto: Seek,... and Ye Shall Find!
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Originally posted by T. Cotten View PostI gotta ask, Gov,....
Is this for yourself, or a customer, or ?
Gawd forbid its family, or even local: The 'due time' is forever.
....Cotten
I'm not sure what you mean about the "due time," sir.
I'll check back in with more miles and months under my belt; success or failure is immaterial. We learn by way of many data points. My engine will be a data point for someone else.
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Originally posted by govmule84 View Post...I'm not sure what you mean about the "due time," sir. ..
No matter how long it takes, please let us know how it goes...
It may not be sudden.
....Cotten
PS:
Originally posted by govmule84 View Post... I'm not sure I would make repair of antiques a business venture....Last edited by T. Cotten; 08-05-2019, 02:26 PM.AMCA #776
Dumpster Diver's Motto: Seek,... and Ye Shall Find!
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I didn't understand your point regarding family or a local customer as it relates to due time. I meant that I would report back at a time in the future after things have some time to settle and bed in, whether for better or worse.
I think the issue with antique stuff is that unlike modern motorcycles where OEM parts are readily available and "replace with known good part" is not very hard, antiques have a pretty broad range of conditions and a wide spread of owner expectations. It's rare a modern motorcycle has seen much fckery, and thus they're often just generally more straightforward to repair.
At least that's been my experience. There are occasional jobs I'll do on older motorcycles, but I get kind of picky about them. If I can't make money, then my wrenches can rest.
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Gov, thanks for posting this thread and I look forward to hearing updates. I've been battling similar problems with a leaking rear nipple on mine as well. Currently I was able to seal up a couple of small nipple leaks with fluid weld. That paired with a set of cottonsmanifold PEEK seals have me back on the road. I'm worried about longevity though. I plan on a more long term solution of pulling the nipples and installing new as soon as the weather turns if need be. Unfortunately looking at mine it seems that the threads for the KR nipples were cut too deep as the threaded nipples dont have a shoulder to press against and seal. Cheers!Nothing left to do but smile, smile, smile....
-good ol GD
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Originally posted by montuckymatt View PostGov, thanks for posting this thread and I look forward to hearing updates. I've been battling similar problems with a leaking rear nipple on mine as well. Currently I was able to seal up a couple of small nipple leaks with fluid weld. That paired with a set of cottonsmanifold PEEK seals have me back on the road. I'm worried about longevity though. I plan on a more long term solution of pulling the nipples and installing new as soon as the weather turns if need be. Unfortunately looking at mine it seems that the threads for the KR nipples were cut too deep as the threaded nipples dont have a shoulder to press against and seal. Cheers!
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I'm not sure. These were a paul friebus mod aka big port cylinder set. Front cylinder has been fine rear leaked around the nipple after 100 miles. I think the fresh paint was what kept it from leaking initially. Now fluid weld is doing the job....so far so good.Nothing left to do but smile, smile, smile....
-good ol GD
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Originally posted by montuckymatt View Post... That paired with a set of cottonsmanifold PEEK seals have me back on the road...Originally posted by montuckymatt View PostI'm not sure. These were a paul friebus mod aka big port cylinder set. Front cylinder has been fine rear leaked around the nipple after 100 miles. I think the fresh paint was what kept it from leaking initially. Now fluid weld is doing the job....so far so good.
Cutting threads into the casting too deep shouldn't matter, as it is the back of the larger portion of the nipple that should butt up against a face cut upon the casting. Preferably with a thin lip like a Knuck.
At least his rivets sealed?
....CottenAMCA #776
Dumpster Diver's Motto: Seek,... and Ye Shall Find!
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Hi Cotten,
Sure enough you did. I got a set from you last fall. They have performed flawlessly.
I had a previous set of cylinders from Paul that also leaked around both nipples. He stood by his work and replaced the cylinders free of charge. Unfortunately, he must not bench test them as the new ones leaked as well. After reading some of the other posts, im just happy I got my cylinders back at all.Nothing left to do but smile, smile, smile....
-good ol GD
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