FIXED (I think)
This seemed to have something to do with the sidestand switch (error code 19) - it started happening in the days after very heavy rain (although I wasn't out riding in it!). I persisted daily for a week, every time I was able to restart the bike by switching off and back on. I was considering cutting wires to bypass the sidestand switch, but first thought I'd try drowning the switch in WD40. Seems to be fixed! No reoccurence in the 6 days since then, and almost 2000 miles covered in that time.
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After 140,000 miles I thought I'd experienced all the little quirks, but today found a new one.
Rode the bike about 2 miles this morning, shut it down and came back 2 hours later. Started and idled normally, then just died, as if I'd hit the kill switch. Started again, died again. Turn it off and back on again and same thing. Fourth time lucky and it ran normally till this afternoon, when it had been sitting for about an hour. This time no start at all, and no sign of starting (unlike the usual hard start which will catch every once in a while). Just like there was no spark... the engine check light was flashing as I was cranking. Switched off and back on a couple of times, and eventually it started and ran normally.
One thing - we had some very heavy rain recently, the bike was, as usual, sitting out in it. Wouldn't be surprised if it's water somewhere. Kill switch?
I haven't had a chance yet to check and see if there are any error codes yet, just wondering if anyone has any clues.
This seemed to have something to do with the sidestand switch (error code 19) - it started happening in the days after very heavy rain (although I wasn't out riding in it!). I persisted daily for a week, every time I was able to restart the bike by switching off and back on. I was considering cutting wires to bypass the sidestand switch, but first thought I'd try drowning the switch in WD40. Seems to be fixed! No reoccurence in the 6 days since then, and almost 2000 miles covered in that time.
-----------------------------------------
After 140,000 miles I thought I'd experienced all the little quirks, but today found a new one.
Rode the bike about 2 miles this morning, shut it down and came back 2 hours later. Started and idled normally, then just died, as if I'd hit the kill switch. Started again, died again. Turn it off and back on again and same thing. Fourth time lucky and it ran normally till this afternoon, when it had been sitting for about an hour. This time no start at all, and no sign of starting (unlike the usual hard start which will catch every once in a while). Just like there was no spark... the engine check light was flashing as I was cranking. Switched off and back on a couple of times, and eventually it started and ran normally.
One thing - we had some very heavy rain recently, the bike was, as usual, sitting out in it. Wouldn't be surprised if it's water somewhere. Kill switch?
I haven't had a chance yet to check and see if there are any error codes yet, just wondering if anyone has any clues.