BMW K bikes (Bricks)

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1Back to top Go down    Handlebar sizes on Tue May 09, 2017 5:57 am

Peterk100rs

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So Im looking to replace the short bars on my k75s with something bit higher and further back. I measured the bars and they are 22mm . So I ordered two sets of Ebay shops both saying they are 22mm but when I go to fit the bars the control clusters won't go on the bars ?
I measured the new bars and the Both measure 22.4 mm ? so basically I can't fit them .

So has anybody done this and what bars are you using or how do I get around this issue ?

    

2Back to top Go down    Re: Handlebar sizes on Tue May 09, 2017 6:06 am

Davep

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Sounds like there 7/8ths rather than 22mm. I would ask for my money back.

I did read of someone filing a grove but not sure if that's a good (or safe) idea. I have read plenty on here as I wanted to change my bars, it might be worth doing a search in the forum as there's loads of info.

I'd still ask for my money back though! Evil or Very Mad

Dave


__________________________________________________
BMW K100RS 1983 (Main ride)
Suzuki GSX 750 ET 1979 (Needs work)
Kawasaki Zephyr 750 1992 (Needs hiding)
    

3Back to top Go down    Re: Handlebar sizes on Tue May 09, 2017 6:18 am

duck

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What he said.

Lots of HBs are sold as 22mm or 7/8 as if they are interchangeable - which may be true in some cases but the tolerances of the K bike perches don't fit on 7/8 bars.

Unless you buy from BMW you usually can't tell for sure if they're really 22mm or not.

I'm pretty sure that Flanders sells real 22mm diameter bars though.

http://www.sideroadcycles.com/ImportedMotorcycles/ImportHandlebars/ImportHandlebarsBMW.html



Last edited by duck on Tue May 09, 2017 6:20 am; edited 2 times in total


__________________________________________________
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
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

4Back to top Go down    Re: Handlebar sizes on Tue May 09, 2017 6:19 am

92KK 84WW Olaf

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We have that problem a lot. But they are not 22mm and you should go for a refund because they don't fit.

The problem well documented is BMW bars are not same as 7/8th which a lot of bikes take but anyone in the handlebar business would know that.

If you did machine the clusters than they are of no use to go back on the BMW bars you took off and not even saleable.


__________________________________________________
1992 K100LT 0193214 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 87,100 miles
1997 K1100LT 58,000 miles
    

5Back to top Go down    Re: Handlebar sizes on Tue May 09, 2017 6:38 am

Peterk100rs

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Thanks chaps
It does appear that I have 7/8 handlebars which have been sold as 22mm. I am contacting the seller see if he will accept a return.
My other option is to cut and add to the existing bars. I would do this correctly as I am a engineer and used to doing things like this .

    

6Back to top Go down    Re: Handlebar sizes on Tue May 09, 2017 7:04 am

duck

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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
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

7Back to top Go down    Re: Handlebar sizes on Tue May 09, 2017 9:01 am

Dai

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Not at that price Duck. James Sherlock charges a serious premium on everything and he's not even a bricks'n'mortar shop.


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'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

8Back to top Go down    Re: Handlebar sizes on Tue May 09, 2017 10:36 am

Gaz

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One of the Oz Krew fitted an after market 7/8" pair of bars to a K100 project bike. He overcame the 0.4mm difference by linishing the section of bar where the controls fit until he could fit the controls. Apparently he had no trouble in the area of the clamps.

Keep an eye on this thread as he may identify himself soon and give more detail.

Cheers


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Gaz
95 K1100LT 0232224; 90 K75 6427509; 87 R80G/S PD 6292136
    

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