Bonnie Died Whilst Idling - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 10 (permalink) Old 12-26-2012, 08:13 PM Thread Starter
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Bonnie Died Whilst Idling

So a quick one for the xmas holidays. My bonnie died whilst idling. I'm not too worried as it is a one off so far.

I was moving it on my drive (slight incline) and fiddling with the steering lock as I'm leaving her for a couple of days.

Anyway, I was off the bike whilst it was idling (max 5 min). The kick stand was down, I didn't touch any switches and I doubt it wan't running very hot. It just died, no chuggers, no dramas.

It has a full tank, I haven't fiddled with anything recently, just ran some carb cleaner through the tank.

Any ideas?
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post #2 of 10 (permalink) Old 12-26-2012, 08:34 PM
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Hello
Did it start again? Was it fully warmed up? Was the "choke" on? What is the idle set at? Need a bit more detail to diagnose.
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post #3 of 10 (permalink) Old 12-26-2012, 09:37 PM Thread Starter
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It started fine straight after, temp is around 30 degrees at the time so the engine is never truly cold cold but it was running for about 3 min after it died. The choke was off - never had to use this and unsure on idle setting, it doesn't have a tachometer so am unsure on revs, but again I haven't adjusted this.
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post #4 of 10 (permalink) Old 12-26-2012, 09:48 PM
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Sounds like a one off that should not give rise to concern. Idle may be set a little low, try increasing it a nudge. I do not think that you have a real problem but keep us informed...........good luck.
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post #5 of 10 (permalink) Old 12-27-2012, 07:41 AM
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Assume the fuel tap was set to on??
Sorry - had to suggest it, mine will idle for about 5 minutes only if I forget to switch it on,

Phil.
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post #6 of 10 (permalink) Old 12-27-2012, 09:49 AM
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Carb heater not working (icing) it thaws out after it quit .
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post #7 of 10 (permalink) Old 12-27-2012, 02:16 PM
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dont change the idle till shes fully warmed up.Otherwise she will run like a demented rabid dog when warmed up...)))

bikerpiper irish by birth cork by the grace of god
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post #8 of 10 (permalink) Old 12-27-2012, 04:59 PM Thread Starter
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@Wooly - no fuel tap on my model

@Gonzo 61 - we don't get ice in Aus ;p it's roasting over here

@BIKERPIPER - thats some good advice, I will look at the idle screw at some point although it will have to wait a couple of weeks
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post #9 of 10 (permalink) Old 12-27-2012, 06:25 PM
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A few reasons for cutting out at idle on EFI models:

Low idle speed, set to 950-1050 rpm when engine is hot.

Throttle bodies out of balance

Low fuel pressure caused by loose fuel pipes to the fuel pump and filter

Low fuel pressure due to faulty pump, regulator or fuel filter blockage

Weak mixture caused by air leak at manifold to cylinder head face
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post #10 of 10 (permalink) Old 12-28-2012, 07:38 AM
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Oops my bad! I should have looked closer, your 30c isn't our 30f.
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