Two outer plugs not firing?

  • roysclockgun
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10 Apr 2011 11:04 #443766 by roysclockgun
Two outer plugs not firing? was created by roysclockgun
I was riding my KZ750E 1982 model, when suddenly I felt the loss of power. Upon inpection, I found that the two outer plug are not firing. What should I look for first, to fix this?
Best,
Steven

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10 Apr 2011 11:14 - 13 Feb 2013 11:24 #443769 by martin_csr
Replied by martin_csr on topic -
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1981 KZ650 Competition Sports and Road
Last edit: 13 Feb 2013 11:24 by martin_csr.

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10 Apr 2011 11:37 #443775 by Old Man Rock
Replied by Old Man Rock on topic Two outer plugs not firing?
To go along with Martin mentioned... Maybe will help...





1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
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  • trianglelaguna
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10 Apr 2011 11:56 - 10 Apr 2011 11:57 #443782 by trianglelaguna
Replied by trianglelaguna on topic Two outer plugs not firing?
bet the wire to the coil came loose...or you burned up a coil...not a big deal and easy to find out /fix.....the wires can get pinched on the frame or inside the plastic plug ends /separate just enough that they look plugged in but are apart and gunk builds from the spark jumping the gap....i bet it is a wire....
extra coils if it is a stock one are not too much $,but i bet it is a wire
1976 KZ900
2003 ZX12R
2007 FZ1000
2004 ninja 250R for wife
Last edit: 10 Apr 2011 11:57 by trianglelaguna.

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10 Apr 2011 14:15 #443824 by Patton
Replied by Patton on topic Two outer plugs not firing?

roysclockgun wrote: I was riding my KZ750E 1982 model, when suddenly I felt the loss of power. Upon inpection, I found that the two outer plug are not firing. What should I look for first, to fix this?
Best,
Steven


One of the outside plugs may have fouled (for whatever reason).

Would replace both outside spark plugs with brand new "correct" plugs, and try again.

Good Fortune! :)
1973 Z1
KZ900 LTD

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