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1Back to top Go down    Gear switch stuck in 1??? on Wed Nov 28, 2018 2:41 pm

yamarider

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Not sure if I have a faulty gear switch, but lunch box is showing 1st gear, regardless if gear switch is connected or not. Changing gears or pulling clutch does not make any difference. As a result I can't start the bike... Any suggestions?
Checked and cleaned plugs at lunch box and rear right frame connection. I'm running out of ideas.

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2Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 3:50 pm

robmack

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Pull in the clutch to start. Use this until you are able to debug the problem.


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1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

3Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 4:42 pm

yamarider

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I tried that... But even with clutch pulled and won't start.... Can I disable the clutch sensor temporarily to eliminate that problem?

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4Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 4:55 pm

duck

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Your clutch switch is either broken or disconnected. (Probably broken.)

If you're certain that it's not just disconnected under the tank then you can cut the wires to it and short them to each other to send power to the start button.

Be VERY CAREFUL if you do this as it's a 12V circuit so if you cut the wires to it and have exposed wires then you want to make sure you do not to let a 12V+ wire ground to anything.

The other way to get power to the start button is to pull the tank and find the connector for the right combo switch. Look for the terminal that has two black/green wires to it. (Those are the two wires from gear indicator in the cluster and clutch switch that send power to the start button.) Put 12V to that and it will give power to the start button.



Last edited by duck on Wed Nov 28, 2018 6:27 pm; edited 1 time in total


__________________________________________________
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
http://www.ClassicKBikes.com
    

5Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 5:11 pm

Laitch

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@yamarider wrote:Not sure if I have a faulty gear switch, but lunch box is showing 1st gear, regardless if gear switch is connected or not. Changing gears or pulling clutch does not make any difference.
Which model and year is this moto?


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1995 K75T 68,000 miles
    

6Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 8:56 pm

yamarider

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It's a 1994 K1100LT

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7Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 9:10 pm

robmack

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Sidestand switch problem??


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Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

8Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 9:16 pm

Laitch

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@robmack wrote:Sidestand switch problem??
To expand robmack's question.
Does the starter engage? Do you hear the fuel pump prime when the ignition is turned on?


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1995 K75T 68,000 miles
    

9Back to top Go down    Re: Gear switch stuck in 1??? on Wed Nov 28, 2018 9:38 pm

yamarider

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No starter, no pump... Just dash lights come on, except neutral light....

http://www.yamarider.com
    

10Back to top Go down    Re: Gear switch stuck in 1??? on Thu Nov 29, 2018 6:00 am

92KK 84WW Olaf

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Side stand switch will stop it starting, even if the clutch switch is good. Its the most likely cause of your problem.

You can survive no problem with the gear switch out of order, but to do that you need the clutch switch good and the side stand switch good. You can wiggle the side stand switch under the bike, that may sort it for you..


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 84,600 miles
1983 K100RS 0011175 Fricka 29,000 miles Damn K Pox
    

11Back to top Go down    Re: Gear switch stuck in 1??? on Thu Nov 29, 2018 9:49 am

duck

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@92KK 84WW Olaf wrote:Side stand switch will stop it starting, even if the clutch switch is good. Its the most likely cause of your problem.

You can survive no problem with the gear switch out of order, but to do that you need the clutch switch good and the side stand switch good. You can wiggle the side stand switch under the bike, that may sort it for you..


A quick fix for a side stand switch that isn't engaging is to put a small piece of vacuum hose over the tang of the switch that gets pushed when the side stand comes up.

(I'd assumed it was a 2V bike since there's no bike listed in the OP's signature.)


__________________________________________________
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
http://www.ClassicKBikes.com
    

12Back to top Go down    Re: Gear switch stuck in 1??? on Thu Nov 29, 2018 11:48 am

Laitch

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@yamarider wrote:No starter, no pump... Just dash lights come on, except neutral light....
My copy of the 199495 K1100 Rider's Manual indicates the starter will operate when the side stand is down but the engine won't start until the side stand is raised. Yamarider's starter does not operate.


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1995 K75T 68,000 miles
    

13Back to top Go down    Re: Gear switch stuck in 1??? on Thu Nov 29, 2018 12:03 pm

92KK 84WW Olaf

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@Laitch wrote:
@yamarider wrote:No starter, no pump... Just dash lights come on, except neutral light....
My copy of the 199495 K1100 Rider's Manual indicates the starter will operate when the side stand is down but the engine won't start until the side stand is raised. Yamarider's starter does not operate.
Then the pointer is the clutch switch being faulty.
But oddly mine doesn't work with side stand down.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 84,600 miles
1983 K100RS 0011175 Fricka 29,000 miles Damn K Pox
    

14Back to top Go down    Re: Gear switch stuck in 1??? on Thu Nov 29, 2018 12:41 pm

Laitch

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@92KK 84WW Olaf wrote:
@Laitch wrote:My copy of the 199495 K1100 Rider's Manual indicates the starter will operate when the side stand is down but the engine won't start until the side stand is raised. Yamarider's starter does not operate.
Then the pointer is the clutch switch being faulty.
But oddly mine doesn't work with side stand down.
Maybe the editor of the manual was engaging in artistic license. Smile

Yours is a '97, Olaf, so perhaps the safety system was modified by then.


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1995 K75T 68,000 miles
    

15Back to top Go down    Re: Gear switch stuck in 1??? on Thu Nov 29, 2018 5:44 pm

yamarider

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Hurray - whoever put money on the faulty clutch switch shall receive a full payout!

To make matters worse, I also managed to swap fuel and gear selector plugs around, which look exactly the same and caused the gear indicator to permanently show 1.

Now, next question: is there any trick to get the clutch switch out? It's pretty tight!

And last question: there is no way way too get the gear selector switch out without taking the swing arm out, is there?

Thanks again for all your help! Now I can sleep again...

http://www.yamarider.com
    

16Back to top Go down    Re: Gear switch stuck in 1??? on Fri Nov 30, 2018 7:04 am

92KK 84WW Olaf

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Well if you fix the connector issue on the gear selector switch it might read right so do that first.

BUT the only fix is swing arm out. Been there and lived 3 years with a bad switch......Even though guys repair them I simply replaced mine.

Just make sure clutch switch is good. Its tight but not sure is it a micro switch or not. The one on early Ks is a torpedo job and just unscrews out like a spark plug......if its like that screw in the new one BEFORE making the connections as the cable must turn as you screw it in.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 84,600 miles
1983 K100RS 0011175 Fricka 29,000 miles Damn K Pox
    

17Back to top Go down    Re: Gear switch stuck in 1??? on Fri Nov 30, 2018 3:08 pm

yamarider

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Hot wiring the clutch switch and swapping the fuel and gear selector plugs got the engine running, but I still won't get neutral light or correct gear indication. ... And I had the swing arm out last week... Aaaaaaarghhhh

http://www.yamarider.com
    

18Back to top Go down    Re: Gear switch stuck in 1??? on Fri Nov 30, 2018 4:24 pm

duck

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Before you tear your bike apart you can do some fairly simple diagnostics to confirm if the GPI switch is the issue.

Link: http://bit.ly/kbikegpi


__________________________________________________
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
http://www.ClassicKBikes.com
    

19Back to top Go down    Re: Gear switch stuck in 1??? on Fri Nov 30, 2018 6:08 pm

92KK 84WW Olaf

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@yamarider wrote:Hot wiring the clutch switch and swapping the fuel and gear selector plugs got the engine running, but I still won't get neutral light or correct gear indication. ... And I had the swing arm out last week... Aaaaaaarghhhh

Was the gear switch working ok before you took out the swing arm?


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 84,600 miles
1983 K100RS 0011175 Fricka 29,000 miles Damn K Pox
    

20Back to top Go down    Re: Gear switch stuck in 1??? on Fri Nov 30, 2018 6:55 pm

yamarider

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No. I think it was faulty before...

http://www.yamarider.com
    

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