BMW K bikes (Bricks)

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1Back to top Go down   K100 snowflake wheel wanted Empty K100 snowflake wheel wanted on Sun Aug 03, 2014 8:41 am

audibob

audibob
Platinum member
Platinum member
Hi guys, anyone have a k100 snowflake front wheel for sale. 
I have been suffering brake pulsing and i suspect the wheel has been kerbed at some point. there a few on flea bay but thought i would try here first .
I am in nottinghamshire uk
Thanks Bob


__________________________________________________
Yamaha 90
Honda CD 175
Honda CB 360 
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

2Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Sun Aug 03, 2014 8:52 am

Inge K.

Inge K.
VIP
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The term "snowflake" is used on the wheels on the boxers that was on the
market before the K, the early K wheels is called Y-spoke.
K100 snowflake wheel wanted Snowfl11


If you feel the pulsing trough the brake lever it's the brake discs that need
to be checked if they are true.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

3Back to top Go down   K100 snowflake wheel wanted Empty K100 snowflake wheel wanted on Sun Aug 03, 2014 11:56 am

audibob

audibob
Platinum member
Platinum member
Thanks Inge got my wheels mixed up a bit,  I need a y pattern then.  my front brakes have pulsed even with brand new discs, so must be  slight run on the wheel  itself. bob


__________________________________________________
Yamaha 90
Honda CD 175
Honda CB 360 
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

4Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Sun Aug 03, 2014 12:58 pm

Inge K.

Inge K.
VIP
VIP
Have you checked the mounting surface at disc hubs and at the wheel?

To get pulsing at the brake lever the disc(s) must move sideways relative
to the calipper.........a wheel that have bit of runout would not cause that.

It could maybe be felt in the handlebar when braking, but not at the brake lever.

I think it would be a idea to measure the discs for runout first.

Just trying to help, so you don't buy parts you really don't need.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

5Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Sun Aug 03, 2014 1:15 pm

duck

duck
Life time member
Life time member
What he said.  Pulsing brakes are usually caused by "warped" rotors.  Bent wheels usually cause wobble at speed.


__________________________________________________
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
http://www.ClassicKBikes.com
    

6Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Sun Aug 03, 2014 5:11 pm

audibob

audibob
Platinum member
Platinum member
Thanks guys,
The disc hubs are clean , this problem was present with the old discs too. which is why i though it may be the wheel itself. The brakes are very grabby with the HH pads, especially at low speeds. High speed braking is smoother. I intend to replace the master cylinder and hoses during the winter . I have overhauled the calipers.
 This is the first time i have experienced grabby brakes on a bike.
 Would trying a new set of pads be worthwhile? The discs are EBC floaters with only 3k on them but I will check them .
Bob


__________________________________________________
Yamaha 90
Honda CD 175
Honda CB 360 
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

7Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Sun Aug 03, 2014 7:05 pm

Inge K.

Inge K.
VIP
VIP
ABS euqipped bike? Some have reported pulsing brakes when bike has been close to stopping......
and it have been concluded that the reason was incorrect sensor/toothwheel opening.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

8Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Sun Aug 03, 2014 11:30 pm

RicK G

RicK G
VIP
VIP
Duck has a front wheel but apparently it only fits on the back Rolling Eyes  scratch


__________________________________________________
"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats."  from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

9Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Sun Aug 03, 2014 11:38 pm

Inge K.

Inge K.
VIP
VIP
K100 snowflake wheel wanted 112350  Universal model.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

10Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Mon Aug 04, 2014 3:54 pm

audibob

audibob
Platinum member
Platinum member
Thanks Inge, my bike has ABS, and the effect is only at very low speed when coming to a dead stop. There is no hint of it if the brakes are applied at speed. My ABS system shows no fault , could an incorrect air gap cause this without throwing a fault in the system? It does seem as though the lever is being pushed back , but then a badly warped disc would do this also.
I may check my air gap . 
Bob


__________________________________________________
Yamaha 90
Honda CD 175
Honda CB 360 
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

11Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Mon Aug 04, 2014 4:09 pm

Inge K.

Inge K.
VIP
VIP
@audibob wrote: My ABS system shows no fault , could an incorrect air gap cause this without throwing a fault in the system?

If I remember correct, others who had this problem didn't report any fault code.

I would guess it's in a dark zone close to the widest gap...and is affecting the ABS,
but not bad enough to throw a fault code.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

12Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Mon Aug 04, 2014 7:24 pm

audibob

audibob
Platinum member
Platinum member
Thanks Inge,
I will let you know the gap in a couple of days. 
Thanks Bob


__________________________________________________
Yamaha 90
Honda CD 175
Honda CB 360 
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

13Back to top Go down   K100 snowflake wheel wanted Empty Re: K100 snowflake wheel wanted on Tue Aug 05, 2014 8:16 am

the.postman

avatar
Life time member
Life time member
I have a large selection of shims for the ABS sensor if you need them give me a shout


__________________________________________________
1985 K100 RS   104EA49840092        #0081788     SILVERish (Madison) Prod. date 05/12/84
1984 srx 600
1986 cbr1000f/h
    

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