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dead CSR

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stevie g
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dead CSR

#1 PostAuthor: stevie g » Mon May 27, 2013 4:51 pm

Hi Guys, I'm at my wits end with my bike. I parked it up about a week ago going all OK. Tried to start it today and nothing. It turns over ok but no spark. Checked all the block connectors, OK. Put a bulb across the right coil wires, very dim and nothing on the left. I'm talking about the wires into the coils not the HT leads. I'm thinking it may be igniter box, what do you guys think. Bike is a 1981 CSR1000 M1
stephen g mackay

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#2 PostAuthor: Pigford » Mon May 27, 2013 5:24 pm

Kill switches can often be the culprit :evil:
And on the 7th day... Zeds were created!

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#3 PostAuthor: stevie g » Mon May 27, 2013 5:33 pm

Pigford wrote:Kill switches can often be the culprit :evil:
Ah, OK I'll check that and report back. thanks.
stephen g mackay

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#4 PostAuthor: stevie g » Mon May 27, 2013 7:52 pm

Pigford wrote:Kill switches can often be the culprit :evil:
took the kill switch off and just happen to have a spare so stuck that on, still dead. again a small amount of current going through the righthand side coil, like i'm getting a little shock when I hold the spark plug and turn it over, obviously shouldn't be able to hold it. So back to square one, anyone else got any clues as to what it might be ? thanks $tevie.
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#5 PostAuthor: z1bman » Mon May 27, 2013 7:54 pm

has it got a side stand switch

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#6 PostAuthor: stevie g » Mon May 27, 2013 8:01 pm

z1bman wrote:has it got a side stand switch
No but you just pull the clutch in.
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#7 PostAuthor: z1bman » Mon May 27, 2013 8:12 pm

what voltage have you got between the red wires on the coils + earth

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#8 PostAuthor: stevie g » Mon May 27, 2013 8:18 pm

z1bman wrote:what voltage have you got between the red wires on the coils + earth
I don't know, I don't have a multimeter or voltage gauge. I'll get one tomorrow. It can't be much as I put an indicator bulb across it and turned it over and it was very dim, and nothing on the left side. It's not sparking the plugs at all.
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#9 PostAuthor: z1bman » Mon May 27, 2013 8:49 pm

there wont not be enough voltage there anyway to light up a 12v test bulb. the way you are testing the voltage you need a logic probe to check for ignition pulses

http://www.google.co.uk/imgres?imgurl=h ... AQ&dur=557

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#10 PostAuthor: stevie g » Tue May 28, 2013 11:21 am

z1bman wrote:there wont not be enough voltage there anyway to light up a 12v test bulb. the way you are testing the voltage you need a logic probe to check for ignition pulses

http://www.google.co.uk/imgres?imgurl=h ... AQ&dur=557
got a multimeter, there's nothing coming through these wires at all, totally dead.
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#11 PostAuthor: z1bman » Tue May 28, 2013 11:35 am

with the ignition switched on put the positive lead of your tester to the red wire on the coil + the negative lead to a good earth / preferably to the engine + you should have battery voltage = 12 volts

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#12 PostAuthor: Big Fluff » Tue May 28, 2013 12:22 pm

If there's nowt at the red wires on your coils with the ign ON and the kill switch in the RUN pos'n, then check the brown wire going into the RH handlebar switch, that shouls have 12v which then supplies power th the kill switch.

Look at the LH pic of this and follow it through.

Will

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stevie g
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#13 PostAuthor: stevie g » Tue May 28, 2013 1:46 pm

z1bman wrote:with the ignition switched on put the positive lead of your tester to the red wire on the coil + the negative lead to a good earth / preferably to the engine + you should have battery voltage = 12 volts
OK I done that after almost stripping the whole bike down and hey presto, I'm getting 12v so I loosely stuck it all back together and I now have a spark at all four. So it must have been a bad connection but I cannot see any. I'll just have to clean all the terminals and earths. Big thank you guys for all your help.
stephen g mackay

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#14 PostAuthor: chrisu » Tue May 28, 2013 5:44 pm

Use contact cleaner not wd40 though

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#15 PostAuthor: stevie g » Tue May 28, 2013 6:05 pm

chrisu wrote:Use contact cleaner not wd40 though
stuck it all back together and now it's only firing on the left outer cylinder, 11.8 volts going to both coils, what's going on ?
stephen g mackay


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