BMW K bikes (Bricks)


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1Back to top Go down   K100RS1 Hossack for sale. Empty K100RS1 Hossack for sale. Thu Dec 07, 2023 3:51 pm

jbt

jbt
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A good suggestion if you were planning to crowfund for my Xmas present:

https://www.kleinanzeigen.de/s-anzeige/bmw-k100rs-4v-hossack/2619973887-305-20666

A rare (unique?) K100RS1 with a Hossack front end is for sale in Germany.

Note the twin headlamp I've been searching for years (and never found) and the nice side panels fitting the blank space due to the lowered seat.

K100RS1 Hossack for sale. K100rs11
K100RS1 Hossack for sale. K100rs14

K100RS1 Hossack for sale. K100rs10
K100RS1 Hossack for sale. K100rs12
K100RS1 Hossack for sale. K100rs13

Don't bother to wrap the present, a modest ribbon will be OK.


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Let us enjoy the transient delight
That fills our fairest day.
    

2Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Thu Dec 07, 2023 4:18 pm

Ringfad

Ringfad
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That is a once nice looking bike. Good luck with the crowd funding before Christmas.


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K100RS1 Hossack for sale. Ir-log10

 ;BMW; K1 Black 1993 60K Km     ;BMW;  K1100RS Black 1996       ;BMW; K1 Blue 1990 25K Miles

 ;BMW; K1200RS Red
    

3Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Thu Dec 07, 2023 4:22 pm

Two Wheels Better

Two Wheels Better
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A very nice example! As a rider and proponent of BMW's (tho' sadly unlicenced to the originator) version of the Hossack front suspension on the K40 series K bikes, I'd love to try this one.

Best of luck with your crowdfunding effort.
Wink


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"A long ride is the answer to a question you will soon forget!" ~ Anonymous
1977 R75/7-100, '93 K11/K12 Big Block, '93 K1100RS, '95 R100 Mystic, '96 K1100RS, 2 x '98 K1200RS, '06 K1200R & '09 K1300GT
    

4Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 3:22 am

Suzi Q

Suzi Q
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Any ideas re. the provenance? My understanding is that BM waited for Norman's patents or whatever to expire, before handsomely nicking his entire idea. That doesn't sound 'right' so maybe there's more to it than that. Anyway, prior to that, if BMW were showing interest in the (still-licenced) Hossack front end, then maybe this Hossack Logo'd K100 is connected to that - an 'official' factory-sponsored build?

I'd love to ride it. Maybe it's the bike that convinced BM to take up the idea for later Ks?

How's the crowd-funding going btw? My rival plans to own this bike involve the probable purchase of a lottery ticket, or maybe a pre-Christmas bank job.


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Sometimes I'm not really Suzi Quatro.
    

5Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 3:49 am

jbt

jbt
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Crowd funding is working fine!
Actually, in only 12 hours, 3 people already manifested their interest. 2 wished me good luck, and 1 suggesting other ways of financing this project, that I'm going to seriously consider.

About the Hossack and BMW relations, check the Norman Hossack website: https://www.hossack-design.com/copy-of-hossack-bmw


__________________________________________________
Let us enjoy the transient delight
That fills our fairest day.
    

6Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 6:02 am

92KK 84WW Olaf

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I suspect the twin headlight set up is the same as the Sprint fairing. Looks identical to my headlight arrangement.

But the bike looks good too.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

7Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 7:07 am

jbt

jbt
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At my opinion, it was an aftermarket accessory made by Wüdo for K100. Rare: this is only the 3rd one I've ever seen...
But the optics were used on many aftermarket fairings, so probably for the Sprint also.
I've sent a message to Wüdo asking if they still have one...maybe? Even a single support without the lamps would be OK.


__________________________________________________
Let us enjoy the transient delight
That fills our fairest day.
    

8Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 8:08 am

Suzi Q

Suzi Q
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GSXR1100/750 twin headlamps (of that era) fit nicely inside a Sprint fairing - I guess they'd fit the OE RS fairing too.


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Sometimes I'm not really Suzi Quatro.
    

9Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 8:59 am

Dai

Dai
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Make your own. There's enough thread on the fairing mount to put a bit of 3mm thick flatbar detween the fairing and the spider. See here:-

https://www.k100-forum.com/t15350-the-emperor-s-new-clothes

Post 9 onwards. The biggest grief is getting the plastikard cutouts correct. Since then I've done an RT fairing using the same setup but I raised the lights so that they are in the centre of the nose. I did consider doing something similar to that bike (above) but I don't have the tools needed to create a good extension to the fairing where the lights are mounted.

Chris: you're right about the GSXR lights. Initially I measured a set up with the intention of using those, but it quickly became apparent that there was no easy way to mount the GSXR light frame to the K100 spider/fairing. That was the point I decided to go the do-it-from-scratch route and use a more modern pair of headlights.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

10Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 12:35 pm

92KK 84WW Olaf

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From what I see of the Sprint so far, the twin lights are mounted on the mounting spider inspendently of the fairing. The Sprint fairing has 4 mounting points and while you have to remove it to anything its quite easy to drop it down from the 4 mounds- the RS mirror/indicators disconnect just inside the fairing so no need to even take them off.

Bulb replacement is a cinch.

But, to adjust the beam you need to drop the fairing.

And...you need a headlight relay.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

11Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 2:30 pm

Suzi Q

Suzi Q
Life time member
Life time member
My Sprint fairing came with a spider for the OE basic K100 headlamp. I wanted twin headlamps so I just welded brackets on it to fit the GSXR twin setup*. I also made a filler piece out of acrylic sheet - pretty much as Dai describes. Not a huge job. 

*It didn't make the bike faster.


__________________________________________________
Sometimes I'm not really Suzi Quatro.
    

12Back to top Go down   K100RS1 Hossack for sale. Empty Re: K100RS1 Hossack for sale. Fri Dec 08, 2023 8:30 pm

Dai

Dai
Life time member
Life time member
Suzi Q wrote:*It didn't make the bike faster.
Well that was a bit disappointing. All that work for nothing.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

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