BMW K bikes (Bricks)

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1Back to top Go down   K100 Steering Bearing pre load  Empty K100 Steering Bearing pre load Thu Sep 22, 2022 10:51 pm

Puccini

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Silver member
Silver member
Just got an 86 K100.
It has a slight click when you apply the front brakes.
The main steering bearings need a preload adjustment.

None of the manuals are clear on how to do this.

Has anyone ever posted a simple "how to" stickey?

Gerry

    

2Back to top Go down   K100 Steering Bearing pre load  Empty Re: K100 Steering Bearing pre load Fri Sep 23, 2022 12:06 am

duck

duck
Life time member
Life time member
Puccini wrote:Just got an 86 K100.
It has a slight click when you apply the front brakes.
The main steering bearings need a preload adjustment.

None of the manuals are clear on how to do this.

Has anyone ever posted a simple "how to" stickey?

Gerry

Jack up the front end until the tire is off of the ground, tighten the steering head bearing knurled nut until there's a little bit of friction when turning the forks and then back it off a tad until the forks turn freely.

DISCLAIMER: I am not a trained motorcycle mechanic or suspension guru, just sharing what has worked for me on Ks.


__________________________________________________
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
    

3Back to top Go down   K100 Steering Bearing pre load  Empty Re: K100 Steering Bearing pre load Fri Sep 23, 2022 3:18 am

Laitch

Laitch
Life time member
Life time member
You probably realize this but in case it got lost in translation, you'll need to loosen slightly the large nut assembly above the fork brace before you are able to move the knurled circular adjusting nut below the fork brace. After it's adjusted and assembly above the fork brace is tightened, check the steering action because you might need to readjust it.

Chris Harris illustrates typically acceptable steering head bearing adjustment outcome here.


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1995 K75 81,000 miles
K100 Steering Bearing pre load  Usa-lo10
    

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