BMW K bikes (Bricks)

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1Back to top Go down   fuel gauge backlight Empty fuel gauge backlight on Fri Sep 15, 2017 2:43 pm

club_c

club_c
Life time member
Life time member
Gents (and ladies),

1988 K100RS, my backlight in the fuel gauge is not working.  Pulled the gauge to take a look but cannot simply remove the bulb.  I didn't want to force anything, so thought I'd see if anyone has been here before me and knows the obvious little trick to remove the bulb.


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"There's never enough time to do it right, but there's always time to do it over."

1988 K100RS SE VIN 01477554
    

2Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Fri Sep 15, 2017 3:37 pm

Laitch

Laitch
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@club_c wrote:Pulled the gauge to take a look but cannot simply remove the bulb.  I didn't want to force anything, so thought I'd see if anyone has been here before me and knows the obvious little trick to remove the bulb.
I haven't been there before you. My bike only evolved to idiot lights. Maybe these images from the MAX BMW parts fiche will aid in visualization.

fuel gauge backlight K100rs10
fuel gauge backlight K100rs10


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1995 K75 77,000 miles
fuel gauge backlight Usa-lo10
    

3Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Fri Sep 15, 2017 3:40 pm

duck

duck
Life time member
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1) Do it with the gauge face facing up. Otherwise the bulb can fall out and then you have to shake it like a six year old's toy to get it to fall out.

2) Twist the socket while pulling.  You won't break anything.

3) Once the socket is out just push a little and twist the bulb counterclockwise.



Last edited by duck on Fri Sep 15, 2017 3:42 pm; edited 1 time in total


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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
    

4Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Fri Sep 15, 2017 3:42 pm

club_c

club_c
Life time member
Life time member
Yes that is all correct. I've had the back plastic case off, and can see the bulb socket (last picture) in the back of the gauge metal casing, however when I pull on it (gently so far), it doesn't move.  If someone can confirm its just a press in fit I'll get more physical...


__________________________________________________
"There's never enough time to do it right, but there's always time to do it over."

1988 K100RS SE VIN 01477554
    

5Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Fri Sep 15, 2017 3:43 pm

club_c

club_c
Life time member
Life time member
@duck wrote:1) Do it with the gauge face facing up. Otherwise the bulb can fall out and then you have to shake it like a six year old's toy to get it to fall out.

2) Twist the socket while pulling.  You won't break anything.

3) Once the socket is out just push a little and twist the bulb counterclockwise.
Thanks duck.  You and I were posting at the same time...


__________________________________________________
"There's never enough time to do it right, but there's always time to do it over."

1988 K100RS SE VIN 01477554
    

6Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Fri Sep 15, 2017 5:26 pm

charlie99

charlie99
VIP
VIP
yep just  a press fit clubbie

good luck


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

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%Ofuel gauge backlight Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

7Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Wed Oct 04, 2017 1:43 am

club_c

club_c
Life time member
Life time member
"press fit".  Maybe when it was installed in 1988.  Today it was a pull and twist and grit the teeth kind of extraction.  After all that the bulb was fine.  Classic issue on these bikes:  the ground on the back of the fuel gauge was corroded.  Cleaned it up and now I can see my gauge at night.  Thanks for the tip Charlie.  I don't think I would have applied that much effort to pulling it out if I didn't know for sure it was a "press fit".


__________________________________________________
"There's never enough time to do it right, but there's always time to do it over."

1988 K100RS SE VIN 01477554
    

8Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Wed Oct 04, 2017 4:00 am

charlie99

charlie99
VIP
VIP
fuel gauge backlight 112350   woohoo !   another win for you


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

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%Ofuel gauge backlight Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

9Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Tue Aug 11, 2020 6:59 pm

92KK 84WW Olaf

avatar
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@Laitch wrote:
@club_c wrote:Pulled the gauge to take a look but cannot simply remove the bulb.  I didn't want to force anything, so thought I'd see if anyone has been here before me and knows the obvious little trick to remove the bulb.
I haven't been there before you. My bike only evolved to idiot lights. Maybe these images from the MAX BMW parts fiche will aid in visualization.

fuel gauge backlight K100rs10
fuel gauge backlight K100rs10
So i got replacement gauges for my K1100LT [originals are very hazed] and installed them but fuel gauge back light is KO. Nothing in Haynes or Clymer on replacing this bulb but thanks for this one.....but...what kind of bulb is in there? Not listed in the manuals.


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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 36,188  miles
    

10Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Tue Aug 11, 2020 7:24 pm

Dai

Dai
Life time member
Life time member
BA7s.


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'83 K100 upgraded to K100RS spec, '87 K100RT
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California
    

11Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Wed Aug 12, 2020 9:34 am

Dai

Dai
Life time member
Life time member
Meant to add, Olaf, that the 'hazing' you see is the anti-fog layer peeling off the back of the lens.

Yes, I took one apart to find out... Laughing


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'83 K100 upgraded to K100RS spec, '87 K100RT
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California
    

12Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Wed Aug 12, 2020 12:11 pm

Ringfad

Ringfad
Life time member
Life time member
Did you get it back together ?

I have a few gauges like this that have suffered light and being outside in the past and would love to be able to repair them.


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fuel gauge backlight Ir-log10

   ;BMW; K100RS Style Black 1987 105K Km     ;BMW; K1 Black 1993 51K Km     ;BMW; K1100RS Red 1993 70k miles (exiled in Alicante at the moment)  ;BMW; K100 16V Black (ex ElectricMonk)  ;BMW;  K1100LT (Swiss) soon to be an RS
    

13Back to top Go down   fuel gauge backlight Empty Re: fuel gauge backlight on Wed Aug 12, 2020 3:23 pm

Dai

Dai
Life time member
Life time member
The real problem (assuming that you successfully get the bezel off in usable shape) is that when you peel off the anti-fog layer, what's left is much thinner and will rattle around when you peen the bezel back on. I polished the inside with an anti-fog product (too lazy to go look) and resealed it using a thin layer of Threebond. Truth to tell though, Simon, I have no idea how long it will stay non-fogged.


__________________________________________________
'83 K100 upgraded to K100RS spec, '87 K100RT
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California
    

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