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Z1r Firing problem

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PAULJAC47
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Z1r Firing problem

#1 PostAuthor: PAULJAC47 » Thu Nov 19, 2015 6:55 pm

Been working on a mates Z1r,bike would stop firing on no2 pot, so fitted new coils ,new Dyna s,new leads,Nippon Denso plugs,new plug caps,Still stopped firing on N02 pot,swapped leads 2 and 3 now stopped firing on no3 and n02 fires ok good 12volts at coils(wired George mod)..Any thoughts?
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#2 PostAuthor: ted1r » Thu Nov 19, 2015 7:00 pm

Compression test Paul.

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#3 PostAuthor: PAULJAC47 » Thu Nov 19, 2015 7:05 pm

All good Ted,shims checked,timing all good..
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#4 PostAuthor: Ginger Bear » Thu Nov 19, 2015 7:13 pm

Paul,

It must be either the lead, plug cap or output post on the coil....
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#5 PostAuthor: jimmock » Thu Nov 19, 2015 7:14 pm

It is obviously an ignition component failure.

The problem has been swapped over to #3
That means EVERYTHING with #2 is good.
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#6 PostAuthor: PAULJAC47 » Thu Nov 19, 2015 7:29 pm

My thoughts exactly guys, but all new components and the fault is exactly the same,new leads, plugs .dyna,caps,might try swapping coil and leads for 1 and 4 with coil for 2 and 3?
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#7 PostAuthor: ted1r » Thu Nov 19, 2015 7:42 pm

Well if you done all that Paul it can only be Fookin woodworm try Ronseal. :lol: :lol: :lol: :lol:
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#8 PostAuthor: PAULJAC47 » Thu Nov 19, 2015 7:43 pm

Would Wickes own make do the job Ted?
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#9 PostAuthor: KeithZ1R » Thu Nov 19, 2015 8:37 pm

forgive me big lad...but did you swap the leads in the out puts as well or just the lead cos if its following the lead take one of the myriad of other bikes you have and try that :lol:
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#10 PostAuthor: jimmock » Thu Nov 19, 2015 9:23 pm

Maybe when you are in under the tank you are disturbing something??
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#11 PostAuthor: jimmock » Thu Nov 19, 2015 9:25 pm

If it was a coil issue BOTH 2+3 would be down.

Swapping it would mean 1+4 being down.

The HT lead in question isn't arcing out.

Try running it in the garage with the lights out.
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#12 PostAuthor: PAULJAC47 » Thu Nov 19, 2015 10:37 pm

Keith brand new coils with sealed in leads,new caps,plugs,swapped 2 and 3 over at plug cap end and fault transferred from 2 to 3.But works when you first fire her up just fails after a while?

Jim tank is off,no arcing.

Was same fault b4 we replaced all the ignition components!

One thing i have noticed is that the lead that goes to the pot that fails ,either 2 or 3 shows intermittent firing when you put the clamp from the strobe light across the ht lead
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#13 PostAuthor: jimmock » Thu Nov 19, 2015 10:43 pm

"One thing i have noticed is that the lead that goes to the pot that fails ,either 2 or 3 shows intermittent firing when you put the clamp from the strobe light across the ht lead"

Paul, sounds like that new lead is breaking down ??
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#14 PostAuthor: PAULJAC47 » Thu Nov 19, 2015 10:47 pm

Weird that because that was what the old lead and coil were doing with the strobe?
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#15 PostAuthor: z1bman » Thu Nov 19, 2015 11:48 pm

even new parts can be faulty don't presume because its new it is without faults
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