Side stand switch issue, or maybe worse? Tricky problem.

Aidan1150

Aidan1150

Nice but unfortunate husband.
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My side stand switch got smashed when my bike arrived in the US lying on her side in the container with the side stand bent to buggery. We removed the switch and joined the wires so that the bike would run and bar a few splutters when I had to jiggle the wires a bit all was well.

Until this morning. As I was leaving the house this morning to go to work the bike cut out. Sometimes she will cut out as soon as 1st gear is selected and sometimes she will run in 1st on the fast idle but will cut out as soon as the revs hit 1500rpm. The bike runs and revs well in neutral.

I didn't really have time to start working at it this morning, but I intend to try to get her running this evening as I have a rideout to lead tomorrow. From what I can gather the side stand switch cable connects into the main loom somewhere up around the seat, so I think I'll start by crossing the wires up there to see if that makes any difference to how she runs.

2001 R1150Gs with just over 73k on the clock.

Has anyone any other ideas as to what I might check?
 
Aidan1150 said:
My side stand switch got smashed when my bike arrived in the US lying on her side in the container with the side stand bent to buggery. We removed the switch and joined the wires so that the bike would run and bar a few splutters when I had to jiggle the wires a bit all was well.

Until this morning. As I was leaving the house this morning to go to work the bike cut out. Sometimes she will cut out as soon as 1st gear is selected and sometimes she will run in 1st on the fast idle but will cut out as soon as the revs hit 1500rpm. The bike runs and revs well in neutral.

I didn't really have time to start working at it this morning, but I intend to try to get her running this evening as I have a rideout to lead tomorrow. From what I can gather the side stand switch cable connects into the main loom somewhere up around the seat, so I think I'll start by crossing the wires up there to see if that makes any difference to how she runs.

2001 R1150Gs with just over 73k on the clock.

Has anyone any other ideas as to what I might check?
Click to expand...

As no one else has replied yet, my 2p is that as it revs fine in neutral you're on the right track with the sidestand switch (or some other 'ignition lockout' type switch - does the 1150 have a clutch switch too?).

It may be that something is vibrating just enough to interrupt a dodgy contact when the revs reach 1500 ish in gear. As you intend, I'd trace your jury-rigged sidestand switch back and try bridging it higher up under the seat.
 
Clutch

If the clutch lever got bashed possibly upset the cut out switch in the lever handle bar pod this is probably the prob.
Dave GS
 
MattW said:
does the 1150 have a clutch switch too?.
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Not sure on that Matt. :o



davegs said:
If the clutch lever got bashed possibly upset the cut out switch in the lever handle bar pod this is probably the prob.
Dave GS
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The bike has done 7000 miles since she was on her side in the container Dave so why would the fecker play up now? I'll check it out anyway thanks. :thumb2
 
Curious

This evening I crossed out the side stand wires at the plug and removed the remainder of the side stand cable.

The bike starts and runs without any problem in neutral.

If in gear the bike will start without the clutch lever being pulled in. :nenau She will also start with the clutch pulled in.

When in gear the bike will rev up to 2000rpm then cuts out.

I disconnected the cut-out switch which is down by the headstock on the near side and the bike won't start in gear, nor with the clutch pulled in. When I start the bike in neutral, select first gear she again revs to 2000rpm then cuts out again.

I have been talking to Jaythro who has been of huge assistance but he has never heard of this either, so have any of you ever heard of this fault before?

At the moment. leading a rideout tomorrow is looking extremely unlikely unless I can get to the bottom of this. :(
 
Is there anything that switches over around 2000 rpm, like the Motronic changes from low to high speed?

Does the cut out happen in all gears, so that load on the engine makes no difference?

Not a clue what's wrong BTW :(
 
Aidan1150 said:
Not sure on that Matt. :o





The bike has done 7000 miles since she was on her side in the container Dave so why would the fecker play up now? I'll check it out anyway thanks. :thumb2
Click to expand...

I think we all thought it had just happend hence the clutch suggestion, could be a dogy connection on either side stand or clutch if it's a twin spark could it be the old coil prob?
 
John Armstrong said:
Is there anything that switches over around 2000 rpm, like the Motronic changes from low to high speed?
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I certainly hope not John. :(


John Armstrong said:
Does the cut out happen in all gears, so that load on the engine makes no difference?
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It does it in 1st and 2nd John, but I haven't tried any further up the gears than that.


davegs said:
I think we all thought it had just happend hence the clutch suggestion, could be a dogy connection on either side stand or clutch if it's a twin spark could it be the old coil prob?
Click to expand...

She is a 2001 single spark 1150GS Dave with just over 73k on the clock. If it were a coil problem then why would she just cut out at 2000rpm?

TPS maybe?

I am completely at a loss to be honest.
 
Since you've tried the obvious - how about a cracked wire out of the ignition switch base - easy to check by flexing the cable while engine running.
 
No answers.......................but how come she was lying on her side in a container:eek: - don't they look after your cargo:mad:
 
I have been fortunate to have both Jaythro and Steptoe advising me tonight (thanks chaps :thumb2) and this fault is challenging their collective knowledge too.

On Neils advice I moved the TPS in small increments, trying each time to see if the engine cut out at different revs. Right up to the point where the TPS was so far out of adjustment that she would barely tick over the engine was still cutting out at 2000rpm.

The Hall sensor is becoming increasingly likely to be the culprit and so I am hoping to get the bike up to Jaythro's workshop early next week to swap out the Hall sensor for one that he knows is working. He will also check out the regulator to ensure that it is working properly.

The fact that the bike revs and runs in neutral but not when in gear makes the problem hard to figure out, but hopefully by a process of elimination we will arrive at a solution. Fingers crossed.
 
Aidan1150 said:
A guy over on ADV Rider has suggested that it might be the gear position switch. What you you think Jay & Neil? Would that be possible?
Click to expand...

my gear position switch has been u/s for 6 months.
just means i have to pull clutch in to start and side stand kills the engine when i swing it out.Also shows i am in 5th gear all the time.:D
just managed to get a used switch from James sherlock after trying since January.
Neil told me where it was located :eek don't think i can do that then :blast
;)
 
What happened next?

Did you ever find out what was wrong?

Aidan1150 said:
I have been fortunate to have both Jaythro and Steptoe advising me tonight (thanks chaps :thumb2) and this fault is challenging their collective knowledge too.

On Neils advice I moved the TPS in small increments, trying each time to see if the engine cut out at different revs. Right up to the point where the TPS was so far out of adjustment that she would barely tick over the engine was still cutting out at 2000rpm.

The Hall sensor is becoming increasingly likely to be the culprit and so I am hoping to get the bike up to Jaythro's workshop early next week to swap out the Hall sensor for one that he knows is working. He will also check out the regulator to ensure that it is working properly.

The fact that the bike revs and runs in neutral but not when in gear makes the problem hard to figure out, but hopefully by a process of elimination we will arrive at a solution. Fingers crossed.
Click to expand...
 
I removed the GPI switch on Saturday, stripped and cleaned it and put it back on the bike, but she wouldn't even start at all which seems to conform the suspicion that it is the source of the problem.

Today I ordered a second hand switch from Sherlocks for £35, so come tomorrow or Wednesday I should know if it will sort the problem.

I'll let you know how it goes. :)
 
Well, I fitted the new Gear Position Switch today, but the problem persists. :(

When I first switch the ignition on I have no neutral light, no battery light and no oil pressure light. The RID does light up and shows a 0 in the gear position display.

When I start the bike I still have none of the above lights and the RID still shows 0.

With the bike running in neutral I select first gear and the bike cuts out. It will restart with the clutch lifted but when it reaches 2000rpm it cuts out. When running in 1st gear with the clutch lifted, the RID displays a 1 but the neutral light is lit too, not brightly, but rather dim.

The bike runs and revs perfectly well when in neutral, even though the neutral light is not lit.

All lights, indicators and hazard lights work as normal.

Tonight I opened the connector blocks at the headstock and tested the wire that runs down to the oil pressure switch and have continuity along that wire yet the oil pressure light doesn't come on at all.

The side stand switch is bypassed at the moment as the side stand and switch were badly damaged in a shipping container but it was grand for over 6500 miles so I don't think that that is part of the problem at all.

Could it be that the RID that is at the root of the problem do you think?

This is doing my feckin head in. :(
 
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