Author Topic: Bmw K75s 1987 shock height  (Read 4331 times)

Jbuffalo

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Bmw K75s 1987 shock height
« on: March 27, 2014, 08:21:43 PM »
I am looking at the shock length on this bike it is 13.5 inches eyelet to eyelet shock adjusted to lowest point<  Is this a low shock? thanks Jim

Offline Motorhobo

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Re: Bmw K75s 1987 shock height
« Reply #1 on: March 28, 2014, 10:19:19 AM »
I have a progressive 416 that measures 13.5" eyelet to eyelet on center. It came with a K75 low seat that seems to ride lower than my other K75 low seat. But there are other variables there, I.e. stock vs custom seat. I seem to remember my last Progressive 420 at 13.75 and the new YSS I just got also at 13.75. Not an expert but wouldn't whether its a low shock depend more on the measurement at the center of the adjustment range, not the lowest setting?

Also, what kind of shock is it? Are you measuring the eyelets on center? Finding the model # might help determine what the specs are.

For what it's worth...

Van
1994/1995 K75 ABS Frankenbike: original engine 136k miles, frame from Gary Weaver (RIP), 173k miles -- Current Odometer: 198k miles
1994 K75 since 2013, 82,000 mi (19k mine) w/California Sidecar Friendship II Sidecar & Black Lab 'Miss B' - RIP

Past: 1974 Honda 550/4 (first bike), 1994 K75 (sold), 1995 K75 ABS (parts bike), Sidecar Dog & Best Bud 'Bo' - RIP

Jbuffalo

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Re: Bmw K75s 1987 shock height
« Reply #2 on: March 28, 2014, 04:38:49 PM »
Van:  I will look on the shock to see what it is.  I measured it again off the center stand and it is 13.25 thanks Jim

Offline Chaos

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Re: Bmw K75s 1987 shock height
« Reply #3 on: March 28, 2014, 04:46:44 PM »
I have a Progressive 412 short that measures 13 1/4 with bike on the centerstand.  I think the standard length is 14"
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1987 K75S    VIN 0231
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2023 Ural 2WD sidecar (BMW's bastard step child)

Jbuffalo

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Re: Bmw K75s 1987 shock height
« Reply #4 on: March 28, 2014, 07:54:39 PM »
I could not find any marking on the shock.  It looks like a stock Bmw K  shock. 

Offline Inge K.

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Re: Bmw K75s 1987 shock height
« Reply #5 on: March 29, 2014, 05:43:36 AM »
A OEM shock to a K100RS measures 348mm c/c unloaded. The spring and the internals is a bit different, but
I'll Guess the unloaded length is the same.
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