Author Topic: Quick Shift bearing failure  (Read 293 times)

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Offline Eastsussexbiker

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Quick Shift bearing failure
« on: February 11, 2024, 07:07:14 pm »
After buying my K1300s anni in November 2023 the bike was delivered after the dealer (independent) had finished doing some repairs, long story short after a couple of months I notice what can only be described as dirty coolant brown appearing over the starter casing. I finally discovered is was rusty oil coming from the top QS shaft seal. The seal may have been replaced at some point or could be original not sure. The shaft was wobbly I asked other owners if their shaft was lose too. All said no there was no play. So I dug the seal out and to my horror found the top bearing had gone rusty and disintegrated. I then took the QS top assembly off and water had contaminated the oil inside rotting the bearing. I bought a bearing online and replace it along with the seal.

At this point I want to say I was experiencing random gear changes that were jerky and clunky replacing the bearing has cured this.

The pro was that the shaft seal had not been fitted correctly, so the seal wasn’t on the shaft far enough so seal edge wasn’t touching the shaft making a seal. Worth checking yours as it has to be a fair way on about 3 mm maybe more so be warned. I’d put images up but can’t seem to add them.

Help needed so I can show you !  Hope this helps.

Offline Forcefield

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Re: Quick Shift bearing failure
« Reply #1 on: February 11, 2024, 09:35:25 pm »
Thanks for the heads up!

for images https://imgbb.com is the easiest


Offline Eastsussexbiker

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Online Phmode

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Re: Quick Shift bearing failure
« Reply #3 on: February 12, 2024, 10:12:14 am »
WTF?

How on earth do you get a mess like that inside the housing. It looks like a clutch of eggs from something out of Alien. I haven't seen anything like that inside an engine since I stopped using Duckhams Q engine oil back in the early'70's.

How did you deal with the mess? Brian

Offline raesewell

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Re: Quick Shift bearing failure
« Reply #4 on: February 12, 2024, 12:14:34 pm »
You need to use the "FUll image linked" BB Code not copy the link in the address bar for the images to show in your post.

Offline richtea

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Re: Quick Shift bearing failure
« Reply #5 on: February 12, 2024, 01:46:58 pm »
You need to use the "FUll image linked" BB Code not copy the link in the address bar for the images to show in your post.

Like so (as copied from your image page -> Full image (linked) -> BBCode):
[url=https://ibb.co/sCgFQkJ][img]https://i.ibb.co/ZSfhKt1/IMG-0827.jpg[/img][/url]

Which gives:


etc...

Offline Eastsussexbiker

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Re: Quick Shift bearing failure
« Reply #6 on: February 12, 2024, 02:54:30 pm »
Like said the seal at the end of the shaft wasn’t in place correctly so I guess water ingress washing rain etc has crept in

Offline Sutty

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Re: Quick Shift bearing failure
« Reply #7 on: February 12, 2024, 04:06:08 pm »
Can you post a pic of where the seal is please, just so I know where to check.

Regards  Mick
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Offline Eastsussexbiker

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Re: Quick Shift bearing failure
« Reply #8 on: February 12, 2024, 05:10:47 pm »
Can you post a pic of where the seal is please, just so I know where to check.

Regards  Mick
yes I’m struggling with adding image

Offline Eastsussexbiker

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Re: Quick Shift bearing failure
« Reply #9 on: February 12, 2024, 06:14:40 pm »



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Re: Quick Shift bearing failure
« Reply #10 on: February 13, 2024, 12:17:00 pm »
Erm! Yes! That was a right mess.

I noticed a slight weep, more oil than toilet water, coming from my seal a couple of years ago and thought I need to do that when I get a round tuit. Of course, I never did get a round tuit. Hopefully mine is more oil than water, but maybe I need to do something more positive than leaving a sixpence under my pillow with a note to the tooth fairy.


Offline Eastsussexbiker

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Re: Quick Shift bearing failure
« Reply #11 on: February 13, 2024, 08:20:03 pm »
Yeah I would I’ve no idea how long it’s been like this but could have been costly.

Offline nealchaykin

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Re: Quick Shift bearing failure
« Reply #12 on: February 14, 2024, 02:50:43 am »
Looks like your sealant melted away in spots. My shift control housing cover was leaking oil so I had to replace the sealant (no gasket) a year ago. Used Hylomar Blue gasket jointing compound. Works perfectly…so far.
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Offline Sutty

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Re: Quick Shift bearing failure
« Reply #13 on: February 15, 2024, 11:14:53 am »
Thanks for that Eastsussex, mines OK, just had the lever off to get the expansion tank off so I could drain the coolant before changing it, I think I'd spot that amount of discharge, with no fairing it's quite visible.

Best regards  Mick
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