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abreeze
Flying Brick Rider
Joined: 17 Jun 2006
Posts: 671
Location: atlanta
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 Posted: Sun Apr 20, 2008 3:58 pm Post subject: valve shims |
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| can the valve bucket shims be reused??? |
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Mystic Red
Flying Brick Rider
Joined: 28 Mar 2005
Posts: 2330
Location: Twin Lakes Idaho
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| Posted: Sun Apr 20, 2008 4:42 pm Post subject: |
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Yes, if you can find a place for them to fit.
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Scott Hespelt, '94 K11LT
K11 OG #466 |
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Tim (Midland Section)
Flying Brick Rider
Joined: 08 Apr 2005
Posts: 960
Location: Pinxton, Nottingham, England.
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| Posted: Sun Apr 20, 2008 5:36 pm Post subject: |
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My former (RIP) independant wrench, always kept them & would put them on his surface grinder to get the gaps dead accurate. All he ever bought were the thick ones.
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Regards Tim,
Grey haired riders don't get that way by pure luck
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abreeze
Flying Brick Rider
Joined: 17 Jun 2006
Posts: 671
Location: atlanta
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| Posted: Sun Apr 20, 2008 8:14 pm Post subject: |
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the BMW service manual says not to reuse buckets....I can see the need to grind as the sizes are to big for fine tuning....but with used shim buckets the wear can give greater adjustment.....
does anyone know the theory behind only replacing?? |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Sun Apr 20, 2008 8:26 pm Post subject: |
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| abreeze wrote: | the BMW service manual says not to reuse buckets....I can see the need to grind as the sizes are to big for fine tuning....but with used shim buckets the wear can give greater adjustment.....
does anyone know the theory behind only replacing?? |
I think I read somewhere that, similar to rings and such, they get wear-matched(for lack of a better term) to the hole in the head.
That said, I think re-using them would be OK. It's a valve bucket on a K bike, not a space shuttle O-ring. 
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93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
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abreeze
Flying Brick Rider
Joined: 17 Jun 2006
Posts: 671
Location: atlanta
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| Posted: Sun Apr 20, 2008 9:08 pm Post subject: |
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| that would be my thought too.....however, I wasnt sure if anyone has had any long term experience to contrary BMW service recomedation. |
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Mystic Red
Flying Brick Rider
Joined: 28 Mar 2005
Posts: 2330
Location: Twin Lakes Idaho
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| Posted: Mon Apr 21, 2008 3:55 pm Post subject: |
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My local tech sold back the shims that came out of my bike for me. Came out exact exchange so no parts cost. Don't know where, I just said thanks! 
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Scott Hespelt, '94 K11LT
K11 OG #466 |
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