BMW K bikes (Bricks)


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1Back to top Go down    whole system shuts down on Sun Jun 05, 2016 12:18 pm

piseth

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Hi folks, any of you have encounter the following:
I did a 500 km trip ride with my guys. I was on the way back back when suddenly the whole system just shut off by itself. The meter just black out and the bike just shut down. Park by the road side check any possibilty that the cable connected to battery might be loose. Nope found no sign. Then i just turn the key on, everything is back to normal. This sudden shut down is happening everyday since the trip. It will shut down at least 1 time a day. Today my bike started to jerk when on the move and i keep having back blast as its farting all the way non stop. Any idea on this issue? I have just changed the spark plugs before the trip. 1 more issue is when im on high speed around 140km/ph, onwards, the engine is like out of breath when i close throttle. It died on me once. Thanks in advance

    

2Back to top Go down    Re: whole system shuts down on Sun Jun 05, 2016 1:22 pm

Point-Seven-five

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Sounds like a dirty ignition switch. I had the same problem last year. Disassembly and cleaning has fixed it.


__________________________________________________
Present:
1994 K75RT
1994 K75S
1992 K100RS

Past:
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

3Back to top Go down    Re: whole system shuts down on Sun Jun 05, 2016 3:55 pm

Dai

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I agree with .75. It's the only place in the entire wiring loom that can kill the whole bike.


__________________________________________________
'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)
    

4Back to top Go down    Re: whole system shuts down on Sun Jun 05, 2016 9:17 pm

RicK G

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Yep + 1 on that.


__________________________________________________
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
    

5Back to top Go down    Re: whole system shuts down on Mon Jun 06, 2016 12:01 am

piseth

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Hi Folks , thanks for the information. Just a silly question,you mean we got to take out the while switch where we put the key in?


__________________________________________________
Laughing Laughing Laughing
K100 RS 1990 December
Last Location: Japan
Current Location: Cambodia
vin:0201460
    

6Back to top Go down    Re: whole system shuts down on Mon Jun 06, 2016 1:22 am

Rickmeister

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Yep! Happened to me last year...oliver sudden the thing just stops at the most in-opportune moment. Remove the ignition switch...it comes in two parts...the key part and the switch part (from memory!?) The switch part is relatively easy to pull apart and clean the contacts. Good luck!


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Assumption is the root of all stuff-ups!
    

7Back to top Go down    Re: whole system shuts down on Mon Jun 06, 2016 6:45 am

Dai

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Ajays posted a write-up on cleaning the ignition switch here:

4shared.com/account/dir/32417964/fca60d54/sharing.html?rnd=88

You need some form of 'social media' account to download it (farcebook etc.).


__________________________________________________
'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)
    

8Back to top Go down    Re: whole system shuts down on Mon Jun 06, 2016 7:10 am

piseth

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Thanks folks. Really great help. Will try to bring my bike out to shop i dont have any tools for my bike. Will post the result after its done. Cheers folks


__________________________________________________
Laughing Laughing Laughing
K100 RS 1990 December
Last Location: Japan
Current Location: Cambodia
vin:0201460
    

9Back to top Go down    Re: whole system shuts down on Thu Jun 09, 2016 10:23 am

piseth

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Solved 1 problem. Bike jerk and keep back blasting. Cause by spark plug cable cab that dropped out of its place as it was not inserted properly after change of new set of plugs. As for the ignition switch, i could not remove the lower part so i sprayed some cleaner in. So far so good.


__________________________________________________
Laughing Laughing Laughing
K100 RS 1990 December
Last Location: Japan
Current Location: Cambodia
vin:0201460
    

10Back to top Go down    Re: whole system shuts down on Thu Jun 09, 2016 10:50 am

Holister

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The top part of the switch is just the lock mechanism and is totally separate to the switch below it except for a tang which turns the switch. Spray lube in the lock will not get to the switch
There's a small screw on the side which when removed allows the switch to come away from the bottom of the housing.

Try these instructions for cleaning the switch

Here's some aditional tips and pics


__________________________________________________
1988 K100RT VIN No. 0094680
1989 K100RT VIN No. 0097367 (naked)
1996 K1100RS VIN No. 0451808
Fuel: 95 Octane
Engine Oil:Nulon Full Synthetic 15W50
Gear Box Oil: Nulon Synthetic 75W90
    

11Back to top Go down    Re: whole system shuts down on Fri Jun 10, 2016 1:58 am

piseth

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active member
Solved 1 problem. Bike jerk and keep back blasting. Cause by spark plug cable cab that dropped out of its place as it was not inserted properly after change of new set of plugs. As for the ignition switch, i could not remove the lower part so i sprayed some cleaner in. So far so good.


__________________________________________________
Laughing Laughing Laughing
K100 RS 1990 December
Last Location: Japan
Current Location: Cambodia
vin:0201460
    

12Back to top Go down    Re: whole system shuts down on Fri Jun 10, 2016 2:01 am

piseth

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@Holister wrote:The top part of the switch is just the lock mechanism and is totally separate to the switch below it except for a tang which turns the switch. Spray lube in the lock will not get to the switch
There's a small screw on the side which when removed allows the switch to come away from the bottom of the housing.

Try these instructions for cleaning the switch

Here's some aditional tips and pics
Hahaha i could not get the screw out. Spray the lube in at the bottom. Figuring it for half a day. Will try to do it again. Thanks.


__________________________________________________
Laughing Laughing Laughing
K100 RS 1990 December
Last Location: Japan
Current Location: Cambodia
vin:0201460
    

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