BMW K bikes (Bricks)

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1Back to top Go down   K75 shock Empty K75 shock Wed Apr 08, 2020 7:20 pm

Aged speed freak

Aged speed freak
active member
active member
Can anybody tell if it possible to shorten the shock on a k75s as I'm a bit short in the leg I have had the seat lowered but if I could get a short shock I would feel a lot more comfortable when manoeuvring at low speed because I have dropped it a couple of times no damage to the bike but my pride got a big wallop 😩😩😩

    

2Back to top Go down   K75 shock Empty Re: K75 shock Wed Apr 08, 2020 7:44 pm

MartinW

MartinW
Life time member
Life time member
There is a 1" shorter shock available, but you will probably have to shorten the centre stand. And there other things to do to counter ducks disease. You can also drop the front forks through the trees by up to 1/2" with out effecting the handling much. You can have the nose of your seat shaved or the whole seat lowered by a competent upholsterer. There is also a lower OEM seat available. You can buy boots with thicker soles, and or add boot lifts. If going down the boot and lift route buy the lifts first. You need to try the lifts in the boots to see if they are compatible.
Regards Martin.


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K75s Hybrid
    

3Back to top Go down   K75 shock Empty Re: K75 shock Wed Apr 08, 2020 9:05 pm

duck

duck
Life time member
Life time member
You don't need to shorten the center stand. You just need to go to the gym more. Twisted Evil


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

4Back to top Go down   K75 shock Empty Re: K75 shock Wed Apr 08, 2020 9:41 pm

indian036

indian036
Life time member
Life time member
Re shortening the shock, while (almost) anything is technically possible, shortening the shock is a major and skilled operation by a specialist workshop. That's code for expensive!

I have a RAM short shock on my K100 which helps a lot. http://www.ramshox.com/   Worcestershire. Still not cheap, but likely cheaper than the other option. Combined with a local specialist motorbike seat rebuilder's work, I'm pretty good now.

I haven't been to the gym more, so getting it on the centre stand is a workout. (Do it often enough, who needs a gym?) Not helped by having a K1100 centre stand, which doesn't have the curved legs to help ease it up.

Bill


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1985 K100RT  VIN 0028991  My original Very Happy   (Historic rego)
1985 K100RT  VIN 0029036  BOB the Blue Old Bike  (Historic rego)
1990 K100LT  VIN 0190452  Work in progress
1984 K100RT  VIN 0023022  Work needing lots of progress

1986 K100RT  VIN 0090542  Work needing lots and lots of progress
1993 K1100LT  VIN 0183046  Work in progress
1993 K75S  VIN 0213045  Newest toy, slightly non-original
    

5Back to top Go down   K75 shock Empty Re: K75 shock Wed Apr 08, 2020 10:03 pm

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Shortening isn't rocket surgery, at least for Works Performance shocks.

A while back I purchased a used Works shock that had been shortened a half inch.  In the process of rebuilding the seals in it I discovered that it had been shortened by Works Performance by putting a 1/2" aluminum spacer on the shaft above the piston to reduce how far the rod could come out of the body.

Since I didn't need a shortened shock for that particular bike, I just took the spacer out when I replaced the rod seal.


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

6Back to top Go down   K75 shock Empty Re: K75 shock Wed Apr 08, 2020 10:24 pm

duck

duck
Life time member
Life time member
I've got a newly reconditioned Works short shock if anybody's interested. (US)


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

7Back to top Go down   K75 shock Empty Re: K75 shock Wed Apr 08, 2020 11:57 pm

volador

volador
Life time member
Life time member
Stock OE Damper length

K100 4V, K1100 (paralever)- 390mm 15.375"

K75, K100 2V (monolever)- 360mm 14.2"

For K75- Progressive Suspensions #412-4016B  13.2"

YSS Suspensions offers many lengths 

http://www.yssusa.com/series-z.html


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1984 K100RS  1991 K100RS  Reap The Wild Wind... Ever Commute Is An Adventure
    

8Back to top Go down   K75 shock Empty Re: K75 shock Thu Apr 09, 2020 6:30 pm

K75cster

K75cster
Life time member
Life time member
A 130/70 Tyre will see you lower in the saddle. Same at the front. I was lead to believe the K75 shockes had a 1//8th of an inch smaller wire diameter spring, if it has been interchanged at any time you may be sitting on a K100 shock??


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Keith - 1987 K75c with r100rt replica fairing and half of a 1984 K100rt 1992 K1100LT a blue one

The Clever are adept at extricating themselves from situations that the wise would have avoided from the outset - QUOTE from david Hillel in Out of the Earth.
    

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