BMW K bikes (Bricks)

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1Back to top Go down   Headstock bearing  Empty Headstock bearing on Mon Aug 05, 2019 1:47 pm

dakelvinator

dakelvinator
Silver member
Silver member
Hi I have a 1992 K1100LT with 46k miles on the clock, I think the head stock bearing needs replacement or adjustment at least! Their is play in it and if i go over a bump or speed hump it sounds painful! It it possible to DIY? I have done clutch and splines to give an idea of my skill level Smile . Is this hardship to do? Thanks K.

    

2Back to top Go down   Headstock bearing  Empty Re: Headstock bearing on Mon Aug 05, 2019 2:21 pm

duck

duck
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Page 32.13 in the BMW shop manual.

You can download the manual here:
http://bit.ly/new2kbikes


__________________________________________________
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
    

3Back to top Go down   Headstock bearing  Empty Re: Headstock bearing on Mon Aug 05, 2019 2:46 pm

dakelvinator

dakelvinator
Silver member
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@duck wrote:Page 32.13 in the BMW shop manual.

You can download the manual here:
http://bit.ly/new2kbikes
Thanks Duck, some bed time reading! k.

    

4Back to top Go down   Headstock bearing  Empty Re: Headstock bearing on Mon Aug 05, 2019 2:58 pm

walfish

walfish
Life time member
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Use 22 mm copper pipe as the spacer ring (item 3), the length I do not know, you can measure it, also suggest sitting on  the bike off the stand on tarmac and rock it back and forward with the front brake held on will indicate the extent of play.
Hope this helps. Headstock bearing  112350


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Headstock bearing  Uk-log1088 K100 Unfaired 0033026 
   
92 K1100RT  6455097
    

5Back to top Go down   Headstock bearing  Empty Re: Headstock bearing on Mon Aug 05, 2019 3:35 pm

dakelvinator

dakelvinator
Silver member
Silver member
@walfish wrote:Use 22 mm copper pipe as the spacer ring (item 3), the length I do not know, you can measure it, also suggest sitting on  the bike off the stand on tarmac and rock it back and forward with the front brake held on will indicate the extent of play.
Hope this helps. Headstock bearing  112350
Thanks - Yep defiantly got plenty of play in it!  Rolling Eyes

    

6Back to top Go down   Headstock bearing  Empty Re: Headstock bearing on Mon Aug 05, 2019 5:09 pm

mike d

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If the head bearings have been slack for any length of time, the constant pounding can/will cause brinelling of the bearing cup. This can lead to the bars almost self centring. This can be felt as a slight reluctance to minor handlebar movements about the centre when slow speed riding (e.g. filtering), which can be disturbing.

Mike

    

7Back to top Go down   Headstock bearing  Empty Re: Headstock bearing on Mon Aug 05, 2019 6:08 pm

duck

duck
Life time member
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You can also detect if the steering head bearings are "notched" in the center if you jack up the front end and turn the handlebars from side to side.


__________________________________________________
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
    

8Back to top Go down   Headstock bearing  Empty Re: Headstock bearing on Tue Aug 06, 2019 10:19 pm

dakelvinator

dakelvinator
Silver member
Silver member
@mike d wrote:If the head bearings have been slack for any length of time, the constant pounding can/will cause brinelling of the bearing cup. This can lead to the bars almost self centring. This can be felt as a slight reluctance to minor handlebar movements about the centre when slow speed riding (e.g. filtering), which can be disturbing.

Mike
Thankfully its not this bad yet i am hoping to get away with just an adjustment scratch k.

    

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