BMW K bikes (Bricks)

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1Back to top Go down   Gas Cap Assembly Empty Gas Cap Assembly Wed May 25, 2016 7:11 pm

elementalfire

elementalfire
active member
active member
Thought I would give this another try with photos. When disassembling my 85 K100's fuel cap assembly the centre  portion of the plastic nose cone and housing popped out (see photo 2). What I am trying to determine is how the nose cone is secured in the outer housing. I can only assume that it is press fit into the outer house (photo 1) to prevent it from sliding out freely as there are no fasteners or components that hold it in place. I have  already installed the gasket kit (16119062461) and this is the last hurdle to getting my bike ready to ride short of having to try to track down another gas cap assembly. Any comments or suggestions would be greatly appreciated.

Thanks,

elementalfire

Gas Cap Assembly Thumbn15
Gas Cap Assembly Thumbn16

    

2Back to top Go down   Gas Cap Assembly Empty Re: Gas Cap Assembly Wed May 25, 2016 11:14 pm

duck

duck
Life time member
Life time member
Haven't had my hands on an 85 gas cap lately but on the later ones the way to get the "sprung cup" (as I call it) in place is:

Remove the lock core from the gas cap. (You'll see why later.)

Put the cup on its spring and turn it 1/4 turn counterclockwise until it drops into place and hold it in place with downward pressure. Keeping downward pressure on the cup, partially close the gas cap and then put a pen/screwdriver through the lock core hole and keep the cup pushed down with that as you put the assembly flush with the bottom of the gas cap and then put in the three machine screws.

Then reinstall the lock core and be sure to test to make things are working properly before you test close the gas cap.


__________________________________________________
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   Gas Cap Assembly Empty Re: Gas Cap Assembly Thu May 26, 2016 4:48 am

92KK 84WW Olaf

avatar
Life time member
Life time member
Why not drill the SidecarPaul hole in the top of the cover at this time. You can blank it with a small grub screw and neoprene washer.

If you ever have a fail you can access the mechanism through the small hole with a small flatblade screwdriver to open the cap. Good security too if for some reason it won't open after maintenance.


__________________________________________________
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 37,190 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
    

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