cuts out and won't start in Neutral

[Andy E]

Hi You may be on to something as fuel very low following a ride out. So will fill up tank you mention MAP

Well, unfortunately that's not the case - the problem is the logic appears to be inverted, because it is OK when it's in gear and it's dying when neutral is selected!

So this one is a little hard to fathom from an interlock logic perspective ....

It should need EITHER:
Side-stand NOT down (i.e. the switch is NOT closed)
OR
Neutral Switch made.

What that means is that:
If it's in Neutral, it does not care whether stand is up or down
If side-stand is up, it does not care whether transmission is in Neutral, or not in neutral (i.e. in gear)

The problem condition:
It starts/runs when side-stand up and transmission NOT in neutral
It kills with side-stand up and transmission goes to neutral.

For me, the logic (& I mean electrical logic, not human deduction) does not compute that this is an interlock problem:
1) the starter runs* in the 'fault condition' i.e. in neutral and side-stand up - it would not if this were an interlock logic issue
(*not 100% on the R3 - on other Triumph models, the starter will not operate if in the interlock situation, let alone allow engine to run - perhaps someone can validate/test this for me: bike in gear, side-stand down, clutch in, does starter operate, just no start?)
2) it would require BOTH the GPS AND the Side-stand logic to be inverted - multiple simultaneous issues, while not impossible, are unlikely.

So my prognosis is not so much that this is an interlock issue, but more that the engine will run while it has some load (in gear, clutch in) but will not when it is neutral (and therefor the neutral map is also selected)
Therefor I think there is something related to the fueling (more likely air) this is causing the issue rather it being an interlock issue.
So I'd be looking towards the vacuum hoses and MAP sensor for the source of the problem

What say ye @warp9.9?

Hi you may be on to something the fuel is very low following a ride out. I will have a look at that tomorrow many thanks on your electronic logic. Good warp9.9

 

[Andy E]

Hi You may be on to something as fuel very low following a ride out. So will fill up tank you mention MAP

Hi you may be on to something the fuel is very low following a ride out. I will have a look at that tomorrow many thanks on your electronic logic. Good warp9.9

Last line read good warp9.9 asking DEcosse

 

[HansO]

low fuel unless you are actually running out and sucking air thru fuel pump and then it would also be doing it when in gear is not likely to be your issue, read my posts previous page the TPS Stepper motor Sync is responsible for most idle issues

 

[Andy E]

Are you sure about that, that the bike will run the starter with it in gear and stand down?
I can guarantee the engine will definitely NOT run in gear with the stand down; that is the whole safety interlock behind the side-stand switch, in that it CANNOT run like that
Ability to run the starter might be different - for example on my Daytona, with in gear and stand down it will still crank but simply not fire - but I believe the R3 will not even crank.

Yes my Daytona does the something and you are correct it will not even turnover.

 

[Adam79]

Mine was typo, meant to say doesn't start, frigging auto correct removed it and I obviously didn't douvle check before posting. Lmao. I've had an issue where it just clicks once then stop then click very strange but turned out the tune in the ecu was the culprit, how weird is that. @HansO I know you have sent me tunes before but can you send me another to suit a 2011 roadster with pods and reband exhaust it has 1 7/8 primary 3 into1 system on it. I need something to hold me over while I save for a dyno. I have a lot of decel pop when I backoff I'm running the 20355-2 map atm

 

[Andy E]

low fuel unless you are actually running out and sucking air thru fuel pump and then it would also be doing it when in gear is not likely to be your issue, read my posts previous page the TPS Stepper motor Sync is responsible for most idle issues

I have read the posts regarding stepper motor and ECUtune etc very interesting and sounds a plan, however at this point I am in uncharted waters. I need to get up to speed or place this in the hands of someone who knows. Cheers.

 

[HansO]

Do you have TuneECU if not reach out to one of the other Brit's on here it is a free software and a $20 cable the single best investment you can make, the procedure takes very little time but is best to have an assistant to watch the 'putor for voltage changes while you are down adjusting the TPS or/and stepper adjustment as nessasary

 

[HansO]

Mine was typo, meant to say doesn't start, frigging auto correct removed it and I obviously didn't douvle check before posting. Lmao. I've had an issue where it just clicks once then stop then click very strange but turned out the tune in the ecu was the culprit, how weird is that. @HansO I know you have sent me tunes before but can you send me another to suit a 2011 roadster with pods and reband exhaust it has 1 7/8 primary 3 into1 system on it. I need something to hold me over while I save for a dyno. I have a lot of decel pop when I backoff I'm running the 20355-2 map atm

resend me your e-mail address and I will do, no sweat

 

[Adam79]

@HansO my email is Adam.swan@qtsonline.com.au and yep I have tune ecu and the cable thank you heaps for that.

 

[Andy E]

Do you have TuneECU if not reach out to one of the other Brit's on here it is a free software and a $20 cable the single best investment you can make, the procedure takes very little time but is best to have an assistant to watch the 'putor for voltage changes while you are down adjusting the TPS or/and stepper adjustment as nessasary

Thanks for your advice this going to be an interesting steep learning curve for me but as I intend to keep the R3R it's going to be worth it. Cheers