BMW K bikes (Bricks)

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1Back to top Go down   Parts Upgrade Empty Parts Upgrade on Fri Nov 01, 2013 5:38 am

AJ.Valente

AJ.Valente
Life time member
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Greetings,

   Am planning some upgrades over the winter and am looking in particular for these hard to find parts:

a) K1 handlebars 32712308339 (supersedes #32712309743)

b) K75S 3-spoke rim Front: 36312310734

Let me know if you can help.

Thanks,

AJ



Last edited by AJ.Valente on Sun Nov 03, 2013 8:12 am; edited 1 time in total


__________________________________________________
'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

2Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 7:32 am

duck

duck
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Life time member
@AJ.Valente wrote:Greetings,

   Am planning some upgrades over the winter and am looking in particular for these hard to find parts:

a) K1 handlebars 32712308339 (supersedes #32712309743)

b) K75S 3-spoke rim Front: 36312310734

Let me know if you can help.

Thanks,

AJ
Are you planning to put K1 handlebars on an RT?  There is very little rise on the K1 bars and, unless you have arms like a spider monkey, you will be leaned pretty far forward and I'd guess that your helmet will be very close to, if not in contact with, the windscreen.

Parts Upgrade BMW-K1-st049


__________________________________________________
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   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 7:43 am

MikeP

MikeP
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K1 bars make sense on a K1 (and contribute to the comfort) because of the seat height and the footpeg position.

I once rode a Touring K1 (with standard K-Series footpeg positions) and it was quite unpleasant owing to the changed ergonomics (quite severe back and hip aches).

For a short while I toyed with the idea of K1 bars on my current project but ruled it out on the basis that it would need a low seat conversion and rear-set pegs etc to make it comfortable.


__________________________________________________
1992 K1
1993 K1100R (used to be an LT)
    

4Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 8:51 am

robmack

robmack
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Given the scarcity of K1s, their parts are probably equally scarce.  You probably should consider Flanders bars.  You'll have good selection of a variety of styles, and good availability.  They are true 22mm bars.  Downside is the price, but if you could locate K1 bars, you'd probably pay the same and they would be used.



Last edited by robmack on Fri Nov 01, 2013 8:54 am; edited 1 time in total


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

5Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 8:53 am

AL-58

AL-58
Life time member
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I think R1150R bars are very similar to K1.
Parts Upgrade BMW-R1150R-Blue

Al


__________________________________________________
'87 K100RS/HRD sidecar (1100 motor)  sc25 
'92 K100RS-16v (Paint it Black)

'87 K100RT with Paralever backend

"When I'm too old and too foolish to handle a sidecar I'll buy a Sportsbike"

Parts Upgrade K-dogs10
    

6Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 10:57 am

duck

duck
Life time member
Life time member
Remember that when you change handlebar heights you may need to also change:
 - Brake line from master cylinder
 - Throttle, clutch and choke cables


__________________________________________________
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
    

7Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 3:43 pm

AJ.Valente

AJ.Valente
Life time member
Life time member
Thanks all for the suggestions. People have gone from RS to RT bars, and that certainly is a chore. But, nobody has gone the other way so far as I've found, so it's not yet clear how it will turn out.

My research shows about a three (3") inch difference in rise. I have a new gunfighter seat and anticipate the forward lean and footpeg position to be acceptable for my given height (for instance, there's no difference in foot peg position between RS and RT.).

Type           Tip to tip    Rise/Setback
=============================
RT/LT             27"            10.5"
K1                 27" (69cm)  7" (18cm)
Standard(C)    25"             7"

The standard C bars are not wide enough for this application IMO. 

I'm hoping for no modifications to brake line, throttle, clutch, and choke cables. There's not that much slack to begin with, and it may be a bit unsightly but a reduced rise of a couple inches should not make all that much difference just so long as the tip-to-tip width is the same. 

If the helmet gets too close to the faring the back-up plan is to get a set of risers. Risers may affect the switch plate, but a few washers and longer screws should do the trick.


__________________________________________________
'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

8Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 4:16 pm

duck

duck
Life time member
Life time member
A Corbin Gunfighter will put you in about the same riding position as most other seats (except they're generally a little harder, maybe just a tad lower) and the pegs will have you in the same position you'd be on most other seats.

And C bars would work fine on a K100RT. An RT only weighs 9 lbs more than an RS and the RS bars aren't as wide as the C bars.  JHMO.

If you end up getting bar backs then get some made for Ks as they'll be drilled and tapped in the front to move the dash pad back with the bars.


__________________________________________________
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
    

9Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Fri Nov 01, 2013 7:57 pm

AL-58

AL-58
Life time member
Life time member
K100RS-1v and K1100RS bars are the same bend/rise as K100RS bars but 2" wider.  They use different bar end weights though.

I always use K1100RS bars on the sidecars for the extra width/leverage.  I like wide bars anyway, no matter what bike.

Al


__________________________________________________
'87 K100RS/HRD sidecar (1100 motor)  sc25 
'92 K100RS-16v (Paint it Black)

'87 K100RT with Paralever backend

"When I'm too old and too foolish to handle a sidecar I'll buy a Sportsbike"

Parts Upgrade K-dogs10
    

10Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sat Nov 02, 2013 12:11 am

robmack

robmack
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The following was the results of my research to locate handlebars for my project bike:

Handlebar Measurements
All measurements are made in normal riding position.

Height or Rise: Total height measured in a level plane.

Pull Back: Vertical lines from the furthest forward to rear in a level plane.

Center Width: Straight flat section before the start of the bends.

Width: Total overall tip to tip width, no grips or bar end weights.

Height:
Early S ----2 3/4"
Late S -----2 3/4"
C -----------4 3/8"
RT & T -----5 3/4"
Flanders /5 /6 (B21) chrome ------- 4 1/2”
Flanders R90S (C20) chrome ------ 3”
Bikemaster LTD ------------------------ 4 3/4”
Emgo Euro 23-12563 -------------------2”  <--- This is what was purchased. Similar to R90S (C20) bars


Total Pull Back:
Early S -----5 1/8"
Late S ------5 5/8"
C ------------6 1/8"
RT & T ----10 3/8"
Flanders /5 /6 (B21) chrome ------- 9 1/2”
Flanders R90S (C20) chrome ------ 4 3/4”
Bikemaster LTD ------------------------ 7 1/4”
Emgo Euro 23-12563 -----------------5 1/2”

Width:
Early S -----23"
Late S ------24"
C ------------25 3/4"
RT & T ------27"
Flanders /5 /6 (B21) chrome ------- 28 3/4”
Flanders R90S (C20) chrome ------ 25 1/4”
Bikemaster LTD ------------------------ 30”
Emgo Euro 23-12563 -----------------  29 1/2”

Center:
Early S ------4 3/4"
Late S -------4 3/4"
C -------------5"
RT & T -------5"
Flanders /5 /6 (B21) chrome ------- 4 1/2”
Flanders R90S (C20) chrome ------ 4”
Bikemaster LTD ------------------------ 4 3/4”
Emgo Euro 23-12563 ----------------- 4 3/4”


Diameter:
Bikemaster and Emgo bars are 7/8" OD (.867"measured 22.12mm)
Flanders and BMW bars are 22mm exactly
S bars are .695-.700" ID

C, RT, & T bars are .615-.622" ID



Last edited by robmack on Sat Nov 02, 2013 9:02 am; edited 1 time in total


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

11Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sat Nov 02, 2013 2:55 am

charlie99

charlie99
VIP
VIP
great report rob ...

thanks


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OParts Upgrade Au-log10

"redframe" rs "bitsa"  with many contributions from the k100 community ,,with many thanks
    

12Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sat Nov 02, 2013 7:22 am

duck

duck
Life time member
Life time member
@robmack wrote:Diameter:
All bars are 7/8" OD (.867"measured 22.12mm)
Flanders BMW bars are 22mm exactly
BMW handlebars are 22mm, not 7/8.


__________________________________________________
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
    

13Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sat Nov 02, 2013 8:58 am

robmack

robmack
Life time member
Life time member
@duck wrote:
@robmack wrote:Diameter:
All bars are 7/8" OD (.867"measured 22.12mm)
Flanders BMW bars are 22mm exactly
BMW handlebars are 22mm, not 7/8.
True, these were my crib notes and I knew what I meant.  I was only referring to aftermarket bars in the list.  Should have clarified the text before copying.


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

14Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sat Nov 02, 2013 9:18 am

the.postman

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Are THESE what you want




Parts Upgrade K1_bar10

On fleabay. says they will post worldwide


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

15Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sat Nov 02, 2013 11:53 am

AJ.Valente

AJ.Valente
Life time member
Life time member
@the.postman wrote:Are THESE what you want
Hehe. No, those bars are mis-cataloged. They're actually K1100 RS bars (see the welds). I've already wrote the seller and kindly asked that if he put the wrong picture up by mistake to let me know. I doubt if the seller knows the difference, and if he does then he's a scoundrel.


__________________________________________________
'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

16Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sun Nov 03, 2013 8:14 am

AJ.Valente

AJ.Valente
Life time member
Life time member
Well, I found a rim in Ohio of all places.

They tell me they have another one if anyone else is looking. Smile


__________________________________________________
'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

17Back to top Go down   Parts Upgrade Empty Re: Parts Upgrade on Sun Nov 03, 2013 8:47 am

RicK G

RicK G
VIP
VIP
AJ if you also intend putting a 3 spoke on the rear you will need to get a rim from a K75 and not a K1100LT or RS as the ofset is different because of the paralever and monolever drives
The part number for the 3 spoke K75 rim is 36312311889 and the 3 spoke for a K1100 LT is 36312311149 other wise you will end up with the rear wheel 14mm to the left.


__________________________________________________
"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
    

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