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Rafal
Flying Brick Rider
Joined: 05 Jan 2009
Posts: 257
Location: Wroclaw, Poland
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 Posted: Mon Apr 15, 2013 2:52 am Post subject: Shimming gearbox to frame |
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Hello!
I have found a BMW service bulletin explaining how to torque and shim K1/ K100/ K1100 frame to engine. The objective of the procedure is to avoid frame stress in order to reduce vibrations - the bulletin says.
Yet I can't find any information about the way the gear box should be bolted to frame. OK, there are torque values, but no information about shims. I can clearly see, two washers on left side gear box bolt. The mentioned bulletin and parts catalogue indicates distance shim at left front frame mounting, but non at gearbox.
Any experience in that matter?
Best regards,
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Rafal
K1100RS is a real beast (in Marrakesh Red)
K75S is a real beauty - she has gone  , but not to far  .
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drikko
Flying Brick Rider
Joined: 20 Nov 2009
Posts: 1966
Location: Brisbane, OZ
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| Posted: Mon Apr 15, 2013 3:41 am Post subject: |
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nope
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K1100RS '97
Laverda RGS 1000 '84
Jim Young Trailer Sailer 5.7M WB
DISCLAIMER:- Anything I say may have been when I was drunk so please don't take it personally.
'Bigamy is having one wife/husband too many. Monogamy is the same.'
Oscar Wilde |
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Scott_Anderson
Site Admin
Joined: 05 Sep 2006
Posts: 3122
Location: Central Iowa, USA
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| Posted: Mon Apr 15, 2013 7:05 am Post subject: |
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What I read in it, start with a 1mm shim at the right front frame to engine, no shims at the trans mission connections to frame.
Tighten the right front frame to engine, right rear lower frame to transmission, left rear lower frame to transmission.
Shim the remaining gap at the left front frame to engine and tighten.
Shim the remaining gap at the right rear upper frame to intermediate housing connection and tighten.
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Ride safe.
1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold) |
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Rafal
Flying Brick Rider
Joined: 05 Jan 2009
Posts: 257
Location: Wroclaw, Poland
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| Posted: Mon Apr 15, 2013 7:17 am Post subject: |
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Scott_Anderson that was my understanding of the case too, yet I got confused when I looked at my current bike setup.
Best regards,
Rafal
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Rafal
K1100RS is a real beast (in Marrakesh Red)
K75S is a real beauty - she has gone , but not to far .
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552255
Mad Brick Rider
Joined: 13 Aug 2010
Posts: 94
Location: Nebraska
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| Posted: Wed Apr 17, 2013 11:46 am Post subject: |
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| Scott_Anderson wrote: | | ......Shim the remaining gap at the right rear upper frame to intermediate housing connection and tighten. |
As i recall, when i switched frames on my LT, i ended up with a large gap at that very location...so i shimmed with a thick bronze washer which just happened to 'fit'.
Seems to be working just fine...i must have followed the correct procedure, no noticeably worse vibration, may have improved it, rides great.
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1997 K1100LT-SE
1996 K1100RS-SE
"Black & Silver Duo"
Lincoln, NE |
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