BMW K bikes (Bricks)

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1Back to top Go down   retrofit? Empty retrofit? Mon Mar 14, 2022 7:38 pm

arbalest

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retrofit? 02_k1210
looking for driveshaft for my K100 swingarm and final drive. Found this on Ebay. Will it fit? 2002 K1200 driveshaft.



Last edited by arbalest on Mon Mar 14, 2022 7:41 pm; edited 2 times in total (Reason for editing : picture didn't come in. Photo ID)

    

2Back to top Go down   retrofit? Empty Re: retrofit? Mon Mar 14, 2022 8:29 pm

Rick G

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No


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 2004 K1200GT 1998 K1100 LT, 1986 K75 GS.
    

3Back to top Go down   retrofit? Empty retrofit? Mon Mar 14, 2022 8:33 pm

arbalest

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Thanks.

    

4Back to top Go down   retrofit? Empty Re: retrofit? Tue Mar 15, 2022 5:38 pm

Two Wheels Better

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arbalest wrote:looking for driveshaft for my K100 swingarm and final drive. Found this on Ebay. Will it fit? 2002 K1200 driveshaft.
There are differences in K100 driveshafts, too. Best to post the year and specific model in your signature line so we can assist with telling which d/s you should source.


__________________________________________________

1970 R60/5, '77 R75/7-R100, '85 K100'87 K75C, '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, #1 '06 K1200R, #2 '06 K1200R, '07 K1200R, '09 K1300GT, '13 R1200RT-P & 2022 S1000XR

"Do you ever read any of the books you burn?" "That's against the law!" "Oh, of course."
~Ray Bradbury, science-fiction writer (22 August 1920 - 2012)
    

5Back to top Go down   retrofit? Empty retrofit? Tue Mar 15, 2022 9:22 pm

arbalest

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my final drive as a 20 spline drive.

    

6Back to top Go down   retrofit? Empty retrofit Sat Apr 02, 2022 8:17 pm

arbalest

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arbalest wrote:my final drive as a 20 spline drive.
Is the only difference between the K100 and K1200 driveshaft the length of the shaft?retrofit? K1200_10retrofit? 02_k1210

    

7Back to top Go down   retrofit? Empty Re: retrofit? Sat Apr 02, 2022 8:25 pm

Rick G

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The spline at the rear is quite different.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 2004 K1200GT 1998 K1100 LT, 1986 K75 GS.
    

8Back to top Go down   retrofit? Empty retrofit Sat Apr 02, 2022 8:31 pm

arbalest

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Thanks. I should have just counted the splines.

    

9Back to top Go down   retrofit? Empty Re: retrofit? Sat Apr 02, 2022 11:19 pm

92KK 84WW Olaf

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As said you really need to post the type of bike, year, VIN in your signature.

As far as I know you are looking at three different types just for K100.

Early K100 2v engines have 16 spline driveshaft. This includes naked, RS and RT.
Later K100 2v engines and K75 have 20 spline driveshaft. This also includes naked, SE, RS RT and LT [I am not sure if K75 and K100 are interchangeable]
Later K100 4v engines have Paralever final drive and a different driveshaft. This includes RS but not LT/RT.

Due to the age of the Ks and the increasing likelihood of a final drive having been changed by a previous owner you need to be careful between 16/20 spline driveshafts. 16 spline final drives are getting scarce and RS 31/11 and RT 32/11 on early Ks can get changed to later 20 spline units. If you pick up a matching driveshaft and its final drive unit it will go straight in to yours. No change at the gearbox end.


__________________________________________________
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 0011171 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 49,840 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 42,640 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
    

10Back to top Go down   retrofit? Empty retrofit Sun Apr 03, 2022 9:28 am

arbalest

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My K100 is long gone, due to a bad fabricator. It WAS an early build 85 K100. I bought a swingarm and final drive off Ebay, separate auctions. The final drive I have is a 20 spline. I had a swingarm modified (incorrectly, as it turned out) to fit an airhead frame. The driveshaft had a bad u joint. I had Bruno replace the u joint. I asked him if he could put an airhead flange in the driveshaft. That ultimately led to two problems. I had him put a greasable u joint on the shaft. The welds were quite large and the u joint doesn't even fit the opening at the front end of the swingarm. I had a K swingarm modified, correctly, this time, and now need a stock swingarm that fits the 20 spline final drive, since a front spline adapter is now available. This will allow this mongrel to be fit to my R90 sidecar rig, with the ultimate goal of running car tires all around.

    

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