R6 Intermitent Fault

[Clarkie]

Some times when I'm riding along the ignition will cut out, doesn't happen every ride more like 50% of the time and never at any specific time or temperature. Some of the time it will bump itself again and carry on others its forced me to pull over at the side of the road to get it going again.

When it cuts out sometimes it won't start on the button, the starter motor goes but it doesn't fire at all, it will however bump start. other times it starts after a couple of presses of the starter.

I've recently changed the reg/rec dues it cutting out but that was different as I lost the clocks and dash before the the ignition went and it started back firing.

The battery is good and has plenty of life in it, thinking it may be down to the ignition unit or switch?

Any ideas?

Thanks for any input!

[nowhere.elysium]

It sounds elementary, but have you checked that the leads are attached to the battery terminals properly?
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'10 SV650SF, '83 GS650GT (it lives!), Questionable DIY dash project, 3D Printer project, Lasercutter project

[sickpup]

[nowhere.elysium]

[Clarkie]

Checked the battery terminals and everything is tight, the bike also has an immoboliser fitted but I think this disables the starter motor? Not too sure.

Also I think if it was the battery the bike still run on the alternator and reg/rec wouldn't it?

Cheers guys!

[noobRider]

Check the fuses are all properly in. They can vibrate themselves loose
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AnPhonEh: I need plans, I need contingency plans also, I need back up contingency plans

[chris-red]

Electrical problems like this are a fucker. Do what gerry suggests, failing that What I would do is clean and check every connector block.

I recently sorted out a miriad of electrical problems many of which I though unrelated by replacing my starter solenoid with a £15 patten one. A number of the bikes circuits run through it and it had cause the following problems.

Fuel pump cutting out.
Starter turns over weakly
Alarm not functioning.
Rough Idle
Down on power - (I didn't even realise until I replaced it)

It was revelation after I changed it, the only reason I knew it was causing issues is because it got stuck and caught fire .

The bike starts on the button, and it hadn't started so sharply in years. it was smoother and more powerful and all because I changed a £15 part which took about 10 minutes todo.

So yeah bottom line I guess is wait for something to catch fire, replace it then your bike will be fine.

HTH
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[nowhere.elysium]

What Chris describes is often caused by crap continuity, typically as a result of corrosion/fuzz buildup on contacts.

Go over the obvious connector blocks with contact cleaner, see if that makes a difference. If not, then you've got the joy of checking the loom for continuity when it's subject to movement, which is always fun.
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'10 SV650SF, '83 GS650GT (it lives!), Questionable DIY dash project, 3D Printer project, Lasercutter project

[chris-red]

[el_oso]

I had something similar on my GSXR1000. Turns out it was a faulty side stand switch. I simply bridged the connection and it hasn't cut out since.

This reminds me, I need to jump on ebay and find myself a new side stand switch
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[Clarkie]

Checked all the fuses, all secure.

I did find that the HT lead to the spark plug on the 4th cylinder was loose tough, could that be the cause?

[Wull]

Yes!!
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"Scooters are for men who want to ride motorcycles but prefer to feel the wind on their vaginas"

[nowhere.elysium]

[Eddie Hitler]

Check the ignition wires are not corroded or damaged at the barrel. Had the same symptoms when I had my FZR1000, tracked it down to that. Would cut the bike out at random times.

[salem1987]

my old R6 did the same sort of thing. Turned out to be bad reg/rec combined with the carbs flooding.

[Clarkie]

[Eddie Hitler]