Whine that's not the final drive - BMW Luxury Touring Community
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post #1 of 15 Old Jun 7th, 2015, 8:58 pm Thread Starter
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Whine that's not the final drive

Hi there. Not sure what this is so thought I'd ask. I get a whine when riding that increases in pitch as speed increases, but if you pull in the clutch the whine immediately disappears. It sounds like it's coming from under my knees but of course it's hard to tell. If I was guessing I'd say gearbox.

Is this the flying brick whine of straight cut gears and therefore normal or is something more sinister happening? I know these things are often hard to trace. And no, there's no oil of any form anywhere that it shouldn't be, and I have drilled the weep hole about 4 years ago and all is clear.

Thanks guys!

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post #2 of 15 Old Jun 7th, 2015, 9:41 pm
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Re: Whine that's not the final drive

I hate to say it but that is what a failing front input shaft bearing on the transmission sounds like. Maybe Patric will chime in as that is what I replaced for him.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
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post #3 of 15 Old Jun 7th, 2015, 10:49 pm
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Re: Whine that's not the final drive

+1 on the bearing
k whine is just that an annoying whine, mine starts at 97kph and goes through to 104kph and its gone. if you hear it as soon as you take off do not ride it get it trailered back home. I have just had this happen, I kept riding and did a hell of a lot of damage, that bearing cost about 30 bucks, my repair bill was well over 1k and did the repair myself

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and no koalas are not Bears



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post #4 of 15 Old Jun 8th, 2015, 7:31 pm Thread Starter
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Re: Whine that's not the final drive

I'lI check on the speeds I hear it.

If it is the transmission input shift bearing, ouch - the bike only has 28k miles on it....

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post #5 of 15 Old Jun 8th, 2015, 8:48 pm
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Re: Whine that's not the final drive

Other than removing the transmission it is a fairly easy fix if caught before it does damage to the input shaft.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #6 of 15 Old Jun 8th, 2015, 11:14 pm
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Re: Whine that's not the final drive

Flashbacks of my 1980's vintage Toyota making the same sound... The quarter size bearing was a PITA to remove because it was rusted in... The HORROR...

Good news... put some Liquid Wrench on it... went to Hawaii for three days... popped right out!!!

Tvguy
'16 R1200RT - "Golden Eye"
'11 R1200RT - "Night Fury" SOLD
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post #7 of 15 Old Jun 9th, 2015, 7:54 am
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Re: Whine that's not the final drive

+2 on the bearing. Mine went out at an early age as well. I have some videos covering the discovery and replacement if that is what it turns out to be. I think my total bill including the seals, clutch, rear main and slave were under $500. 25k later it is still running great!

The flat cut gear noise usually happens around 60mph. The input shaft will make noise a lot more than that!

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post #8 of 15 Old Jun 18th, 2015, 9:41 pm Thread Starter
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Re: Whine that's not the final drive

Hmmm - this one's gonna take a while to fix because I have a job change and as a result a house move coming (8th house move in 22 years covering 3 countries - an avg 2.75 years per house). At least we're moving somewhere warmer (Raleigh/Durham area). But the move probably means not alot of riding for a while.

John, did you do the whole thing for Patric or did he send the transmission and you worked on that? If it was the whole thing, could you PM me with an idea of the cost (rough is fine)? I just know I'm gonna be tight on time to do this for a while so looking at options.

Thanks guys.

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post #9 of 15 Old Jun 20th, 2015, 10:53 am
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Re: Whine that's not the final drive

Hi rowie John & all , sorry, I am a little late on this thread . our K1200LT rig has eaten two front input shaft bearings. First time the clutch started to slip a little at around 30,000 miles, so I took it apart. original transmission had a leaking input shaft seal , The shaft felt OK..it didn't move, so I just changed the seal, clutch& spring, slave cylinder.. and put it back together. Around two years later, I was 100 miles from home & the clutch started slipping. When I stopped there was gear oil on the center stand... not good. I thought it would make it home, but no.. it ate the input shaft bearing & part of the gear that drives the intermediate shaft, & the spring torsion came apart so the drive gear got ate & it lost all drive. I put in a used E-bay transmission that had 100,000 + miles one it & the bike had been in a fire. It lasted a few years & it started to squeal when we started to take off. I took it apart thinking it was the slave cylinder piston spinning in the boar , but That input bearing was bad & I could move the shaft. John helped me out big time, & rebuilt that transmission for me.

Other that the squealing like a belt or power steering squealing I don't remember any sounds.. but that might be from working in a factory for 31 years.

Patric Blackman
2002 K1200LT/Hannigan2+2
2010 R1200GSA ...1987 Helix...
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post #10 of 15 Old Aug 22nd, 2015, 8:23 pm Thread Starter
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Re: Whine that's not the final drive

Sorry to take a while to get back to this thread. I've started my new job in Raleigh-Durham but not moved yet (commuting / apartment living - I'm missing the summer unfortunately). Thanks to all for your feedback - I'll look at options once I move which will probably be in about 3 months time.

And this is the first time I logged back on to the site in 2 months - holy cow, what happened to the site!

Thanks again and ride safe.

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post #11 of 15 Old Jul 12th, 2017, 3:23 pm
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Mine now has this problem....darn new problems just keep coming up. Starting to tick me off. Oh well, I'm well versed at trans re&re.

Anyone have an online source for the input shaft seal and bearing? Is there also an output shaft bearing/seal that fails to replace or leave that alone?
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post #12 of 15 Old Jul 12th, 2017, 4:11 pm
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Re: Whine that's not the final drive

Quote:
Originally Posted by westvandude View Post
Mine now has this problem....darn new problems just keep coming up. Starting to tick me off. Oh well, I'm well versed at trans re&re.

Anyone have an online source for the input shaft seal and bearing? Is there also an output shaft bearing/seal that fails to replace or leave that alone?
I've gotten seals from Amazon although they are Buna and not Viton

Input shaft seal

https://www.amazon.com/20x32x8-Rubbe...s=seal+20x32x8

Output shaft seal. Set depth is critical due to an oil hole just inside the seal lip. Too deep and gushes.

https://www.amazon.com/25x40x6-Rubbe...s=seal+25x40x6

Slave seal but I would get the OEM Viton from the dealer due to possibility of brake fluid exposure. depth also critical.

https://www.amazon.com/17x28x7-Rubbe...s=seal+17x28x7

Nachi bearing

https://www.amazon.com/6204-2NSE-Bea...aring+20x47x14

Gordon
Sugar Hill, GA
2001 K1200LTI Champagne (current ride) Lazy Susan
1998 R1100RT Never should have sold it
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post #13 of 15 Old Jul 12th, 2017, 7:31 pm
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Re: Whine that's not the final drive

Quote:
Originally Posted by westvandude View Post
Mine now has this problem....darn new problems just keep coming up. Starting to tick me off. Oh well, I'm well versed at trans re&re.

Anyone have an online source for the input shaft seal and bearing? Is there also an output shaft bearing/seal that fails to replace or leave that alone?
I always use OEM except for the output shaft seal I found a better one that is two lipped and only 1 mm thicker. I just replaced my input shaft bearing and seal now it is smooth and quiet.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #14 of 15 Old Jul 12th, 2017, 8:02 pm
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Re: Whine that's not the final drive

Quote:
Originally Posted by jzeiler View Post
I always use OEM except for the output shaft seal I found a better one that is two lipped and only 1 mm thicker. I just replaced my input shaft bearing and seal now it is smooth and quiet.
Just for the record, the seals I have listed from Amazon are all double lip seals with garter springs.

Quote:
Originally Posted by westvandude View Post
Mine now has this problem....darn new problems just keep coming up. Starting to tick me off. Oh well, I'm well versed at trans re&re.

Anyone have an online source for the input shaft seal and bearing? Is there also an output shaft bearing/seal that fails to replace or leave that alone?
If you have trouble swallowing the cost of the OEM, they are not a bad option but the orange OEM seals are made of Viton and as John said, are better and will hold up under the higher temps in the clutch cavity but 4 times the cost. You can go cheap if you want to though but you may get a few less years out of them overall.

Gordon
Sugar Hill, GA
2001 K1200LTI Champagne (current ride) Lazy Susan
1998 R1100RT Never should have sold it
1974 Yamaha TX 750 Twin. Omni Phase Balanced


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post #15 of 15 Old Jul 14th, 2017, 11:35 am
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Thanks for part #'s. I'm still couple hundred miles from home. Cross fingers!
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