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michael thomas · #1 PostAuthor: **michael thomas** » Sun Jan 27, 2008 9:20 pm

Help my z1 ltd was having problems with missing and back firing so i tried some new leads which helped for a while but after it started doing the same again i took the coils off to check the connections and now it will not start seems to get one spark at the plug then nothing plugs are wet so its not petrol

Ed Z1-R · #2 PostAuthor: **Ed Z1-R** » Sun Jan 27, 2008 9:42 pm

Sparx

Is the loom/connection to components in good condition :idea:

michael thomas · #3 PostAuthor: **michael thomas** » Sun Jan 27, 2008 9:53 pm

Connections look reasonable but its something to have a look at next time in the garage thanks :wink:

Davy Doherty · #4 PostAuthor: **Davy Doherty** » Mon Jan 28, 2008 6:32 pm

WET NGK's!!!!!!!!!!!Dump em....

#5 PostAuthor: **paul doran** » Mon Jan 28, 2008 6:34 pm

are the words Nippon Denso marching rapidly across this thread

london calling · #6 PostAuthor: **london calling** » Mon Jan 28, 2008 6:49 pm

Check for a 12V feed to the coils and fit some DENSO W24ES-U.
Make sure that you've got the wiring to the coils 1&4 and 2&3 the correct way round.

Pigford · #7 PostAuthor: **Pigford** » Mon Jan 28, 2008 6:58 pm

Jack......... WHAT :?:

Coils are 1&4, 2&3, dipstick :?:

Ed Z1-R · #8 PostAuthor: **Ed Z1-R** » Mon Jan 28, 2008 9:04 pm

Ok,connectors are ok and we maybe dumping plugs for densos.
BUT...........................
The quality and the condition of the cables also contribute to good conductivity.
ie if the copper strands are dull/matt or in fact black this aint gonna help.This is when breakdown occurs.
Example
Had a bike rewired it all Ok but no fire,went to the electronic pick up,farooked just at the moulding clean wires(whats left) and solder on some fresh cable. Still no go.
Traced the fault to the starter solenoid cable is matt and black.cut it but until got some decent cable connect,press tit........
VROOM :!:

That is to say disturb old cable and it could be enough to cause breakdown.To test do a resistance check from end to the other.
Hope you get it sorted :wink:

michael thomas · #9 PostAuthor: **michael thomas** » Thu Jan 31, 2008 10:31 pm

Finaly got round to look at the z1 ,the plug leads on three and four were wrong plus a duff plug on one no wonder it would not have it! still not running one hundred so have decided to take it to a local bike shop because i just do not have the time will let you know the outcome thanks for all the help

michael thomas · #10 PostAuthor: **michael thomas** » Sat Feb 02, 2008 1:33 pm

Decided to have one last go at sorting out the z1 and its finally sorted ,it was not running on three and four but there was a spark there the petrol pipe going to the carbs that feed that side was kinked when the tank was on so a new bit of pipe rerouted and its done! again thanks for the help

Pigford · #11 PostAuthor: **Pigford** » Sat Feb 02, 2008 4:59 pm

Well done Mike, just goes to show a bit of Percy Verance pays off. :wink:

Amazing how often the simplest things can cause so much hassle :evil:

Ed Z1-R · #12 PostAuthor: **Ed Z1-R** » Sat Feb 02, 2008 9:34 pm

Good show

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