BMW K bikes (Bricks)

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1Back to top Go down    Fuel Cap stuff on Sun Jul 10, 2016 5:31 am

klompy the grey brick

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Hi guys damnest thing yesterday on my new to me K1100LT, pulled in to refuel as I am still confirming the honesty of the fuel gauge when I found my fuel cap lock spun right round 3 times and I could not unlock the cap to put fuel in. Managed to limp home I know how far I can go safely now and worked out how to get the tumbler out. So guys and girls open up your cap workings

give it a clean and lube it up.

Cheers Klompy

Shame you sell stuff and always need it again soon after...doh


__________________________________________________
KKlompy
1984 K100RS Silver VIN 0019026 Mitt eine Staintune Zorst.
1997 K1100LT Dark Grey VIN WB1052600W0237453.

Chassis number0019026
Vehicle code0503
SeriesK589
ModelK 100 RS 83 (0502 ( 0503 )
Body typeK 100 RS 83 (0502
Catalog modelECE
Production date1984 / 07
Engine0513)




    

2Back to top Go down    Re: Fuel Cap stuff on Sun Jul 10, 2016 5:36 am

92KK 84WW Olaf

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Check out Sidecar Paul's option for drilling the cap.

Saves losing the lock etc.


It saved my fuel cap earlier this year. I had this information in my head when it happened and just went for the drill.

All you need to remember is the 22-25mm dimension. The post shows how it works and Pauls advice and that of others is just go drill the hole and plug it. Dismantle the cap as in take off the three screws and clean it out. Drilling it on the bike is ok too because the swarf doesn't go in the tank-take cap off and then remove the 3 screws and clean it out. In my case the key would not turn so I cleaned the barrel etc and put it all back together.


http://www.k100-forum.com/t9469-open-a-petrol-tank-cap-which-has-a-broken-lock



__________________________________________________
1992 K100LT 0193214 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 58,645 now 60,500miles
    

3Back to top Go down    Re: Fuel Cap stuff on Sun Jul 10, 2016 3:01 pm

kennybob

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The end pins have sheared off of the tumbler cylinder so you have nothing left to rotate the slider cam. i had this happen to me and made a key to open the tank--didn't know what was in there at the time nor about Paul's secret drill hole which is a brilliant solution.

    

4Back to top Go down    Re: Fuel Cap stuff on Sun Jul 10, 2016 6:09 pm

brickrider2

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Am I correct in believing that this is not a problem if one does not lock the fuel cap?

    

5Back to top Go down    Re: Fuel Cap stuff on Sun Jul 10, 2016 6:45 pm

indian036

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Don't know about yours, but if mine is shut, it's locked.

Bill


__________________________________________________
1985 K100RT Red. VIN 0028991K100RT ENG 104EA248523386
1985 K100RT Blue. VIN 0029036K100RT ENG 104EA25852071
1990 K100LT Black. VIN WB105060310190452
1984 K100RT White. VIN. 0023022K100RT ENG 104EA32848523
    

6Back to top Go down    Re: Fuel Cap stuff on Sun Jul 10, 2016 7:03 pm

Gaz

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Klompy, while you're in the fuel cap frame of mind you can get fuel cap overhaul kits (seals, o rings) from Munich Motorcycles in Perth.See hereif you are keen.

Cheers


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

7Back to top Go down    Re: Fuel Cap stuff on Mon Jul 11, 2016 1:03 am

brickrider2

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That's not the way the cap on my '85 model works. Depressing the center button with a fingertip pops the cap up and open. In fact, I've never even tried to lock that cap since I've own the machine.

    

8Back to top Go down    Re: Fuel Cap stuff on Mon Jul 11, 2016 3:22 am

RicK G

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You have the early type, the later caps lock when they are closed and the key is turned to open them. They are not very common as they didn't last long and were replaced with the later type.


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If everything seems under control then you aint goin fast enough:- Mario Andretti
Bikes 1986 K100RT, 1993 K1100 LT, 1994 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 & 1976 SR 500 Yamaha for now
    

9Back to top Go down    Re: Fuel Cap stuff on Mon Jul 11, 2016 3:29 am

Ajays

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Good regular maintenance is the answer...!

I still prefered the press button myself.

Ajays


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AJAYS
    

10Back to top Go down    Re: Fuel Cap stuff on Mon Jul 11, 2016 3:34 am

Ajays

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brickrider2

The early K's as yours is is the more powerful model as later they were detuned to satisfy the US market.

Thought you would like to know this.
Ajays


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AJAYS
    

11Back to top Go down    Re: Fuel Cap stuff on Mon Jul 11, 2016 8:14 am

klompy the grey brick

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I wants me one of those golden fuel caps...



may get some other bits though. KKlompy


__________________________________________________
KKlompy
1984 K100RS Silver VIN 0019026 Mitt eine Staintune Zorst.
1997 K1100LT Dark Grey VIN WB1052600W0237453.

Chassis number0019026
Vehicle code0503
SeriesK589
ModelK 100 RS 83 (0502 ( 0503 )
Body typeK 100 RS 83 (0502
Catalog modelECE
Production date1984 / 07
Engine0513)




    

12Back to top Go down    Re: Fuel Cap stuff on Mon Jul 11, 2016 1:58 pm

brickrider2

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the prices of those bits just takes the breath away from an old retiree.... Shocked

    

13Back to top Go down    Re: Fuel Cap stuff on Mon Jul 11, 2016 4:16 pm

sidecar paul

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The problem with the early caps is that, after rain, the assembly fills with water and when the cap is opened, the water flows directly into the tank.

The later caps have a ridge that deflects the water towards the drain hole.

I thought there was a recall to replace the push button caps?

Paul.


__________________________________________________
'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015)
....No CARS never ever!
    

14Back to top Go down    Re: Fuel Cap stuff on Tue Jul 12, 2016 2:51 am

stan

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I have the original cap on the original bike. No problems here as it rarely rains. Does this mean that the cap is worth more than the bike?


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AINSJAC
1983 K100basic vin 0003960 colour red
1987 K100RT vin 0094685 colour, orange peel, sorry, pearl
    

15Back to top Go down    Re: Fuel Cap stuff on Tue Jul 12, 2016 4:47 am

charlie99

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lol good one stan

whats wrong with a cork stopper ? perhaps ?!!!

cheers


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

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

16Back to top Go down    Re: Fuel Cap stuff on Tue Jul 12, 2016 6:33 am

blaKey

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"Does this mean that the cap is worth more than the bike?"

No..it means your cap is crap and I'll take it off your hands for you. Might even fling you a fiver!


__________________________________________________
Neil
K100RS 1986 RED!
K100RT 1987 (now nekkid with red bits)

Remember Rule No. 6
    

17Back to top Go down    Re: Fuel Cap stuff on Tue Jul 12, 2016 7:45 am

RicK G

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He's in England Blakey and I know where he lives but it costs a bundle more than a fiver to go to Dubbo so it looks like you still own it Stan. Laughing


__________________________________________________
If everything seems under control then you aint goin fast enough:- Mario Andretti
Bikes 1986 K100RT, 1993 K1100 LT, 1994 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 & 1976 SR 500 Yamaha for now
    

18Back to top Go down    Re: Fuel Cap stuff on Thu Jul 14, 2016 7:01 am

stan

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Watch it Blakey, I am back and I am keeping my very valuable cap safe by LOCKING it onto my bike. Besides the cap is black... not your colour, but on a red bike which is your favourite bike.


__________________________________________________
AINSJAC
1983 K100basic vin 0003960 colour red
1987 K100RT vin 0094685 colour, orange peel, sorry, pearl
    

19Back to top Go down    Re: Fuel Cap stuff on Thu Jul 14, 2016 7:26 am

92KK 84WW Olaf

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I figure everyone should either memorise this dimension or else drill the hole and either plug it with a screw and neoprene washer or tape over it. I used no parts at all in sorting mine out after the barrel refused to turn. Was I thankful for SidecarPaul's posting on this.

If you were on a trip then you might end up using a small screwdriver through the hole to open the cap but it's better than being stuck or stranded.


__________________________________________________
1992 K100LT 0193214 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 58,645 now 60,500miles
    

20Back to top Go down    Re: Fuel Cap stuff on Thu Jul 14, 2016 5:58 pm

sidecar paul

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Glad to be of service. :BW:


__________________________________________________
'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015)
....No CARS never ever!
    

21Back to top Go down    Re: Fuel Cap stuff on Fri Jul 15, 2016 5:24 am

92KK 84WW Olaf

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Paul

Sometime we will get to meet. Definitely owe you a beer because the cost of parts if I had not drilled that hole would have been close to a ferry ticket price!!!

I fancy weekend camping on the mainland some time and maybe make it coincide with one of yours if I can get some Eccentric Kompany to Kome along for the ride.


__________________________________________________
1992 K100LT 0193214 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 58,645 now 60,500miles
    

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