BMW K bikes (Bricks)

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eran_k

eran_k
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Hello,
in the process of reviving a 1990 K100 and making it more "naked"
is it possible to change the BMW flasher with a standard one (that support leds) and retain the original switches?
i know i will loose the auto canceling function.
i'd love to change all the switches but this will force me to also replace the brake master cylinder and clutch perch, which i prefer not to at this phase.

Thanks
Eran

    

duck

duck
Life time member
Life time member
BMW turn signal switches are momentary and regular turn signals aren't.  You could do it but you'd need to add some latching relays to the circuit.

If you retain the factory switchgear then you're best off going with the factory relay. (Or a Kisan signalmider that's made for Ks.)


__________________________________________________
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
    

chris846

chris846
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Agreed, if you're keeping the OE momentary switches, then it's hard to see how you can beat the OE relay for function/compactness. If your ambition is to lose the OE gubbins box under the seat, then the OE relay could be retained and relocated under the tank/in the seat hump/between two slices of bread with some lettuce etc.


__________________________________________________
The Longest Lunch
    

charlie99

charlie99
VIP
VIP
@chris846 wrote: lose the OE gubbins box under the seat, then the OE relay could be retained and relocated under the tank/in the seat hump/between two slices of bread with some lettuce etc.


Replacing the BMW flasher unit with a regular one and retaining the handlebar switches  44271


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

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OReplacing the BMW flasher unit with a regular one and retaining the handlebar switches  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 ..
    

Chocolate

Chocolate
Life time member
Life time member
There is a German guy, who is selling a new relay, that will work with LED, Motogadged etc.
It has a Hasard Funktion and has a auto turn-off.
Price is 70€. Plug&Play

https://www.flyingbrick.de/marketplace/index.php?entry/4659-lastunabhängiges-blinkrelais-bmw-k100-k1100-k75-r100-r80-r-gs-led/

Replacing the BMW flasher unit with a regular one and retaining the handlebar switches  66a66210


__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

eran_k

eran_k
active member
active member
when i try to operate the turn signals now i get the following:(no actual indicators attached)
switch is ON
in the dashboard one of the turn signal lights is on permanently
if i either try left or right signals, i just hear an annoying sound - like a broken buzzer
cancelling with the cancel button - stops the sound

    

Dai

Dai
Life time member
Life time member
The noise is the indicator relay throwing a complete fit. You need the indicators attached to provide a load for the relay.


__________________________________________________
'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

eran_k

eran_k
active member
active member
@Dai wrote:The noise is the indicator relay throwing a complete fit. You need the indicators attached to provide a load for the relay.
Thanks
So it suppose to work if i'll connect all 4 indicators and check?
what about the dash light stuck on one direction?

    

Laitch

Laitch
Life time member
Life time member
If this relic has LED indicators instead of incandescent bulbs, start at this post then read to the end to the thread to determine if it applies to your problem.


__________________________________________________
1995 K75 73,000 miles
Replacing the BMW flasher unit with a regular one and retaining the handlebar switches  Usa-lo10
    

eran_k

eran_k
active member
active member
It doesn't, just no indicators at all at the moment

    

duck

duck
Life time member
Life time member
@eran_k wrote:
@Dai wrote:The noise is the indicator relay throwing a complete fit. You need the indicators attached to provide a load for the relay.
Thanks
So it suppose to work if i'll connect all 4 indicators and check?
what about the dash light stuck on one direction?

As Dai points out, without any load the flasher relay freaks out.

K flasher relays generally don't have a high failure rate so chances are it will work fine with turn signal bulbs attached.  The turn indicators in the cluster are on the same wires from the flasher relay as the turn signal bulbs. Blue/red wire for the left side, Blue/black for the right.

To make the relay LED friendly just cut Pin 7:
http://www.kbikeparts.com/classickbikes.com/ckb.tech/0.ckb.tech.files/ledoemflrelay/ledoemflrelay.htm


__________________________________________________
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
    

eran_k

eran_k
active member
active member
Thanks, will try

    

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