one cylinder missing

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01 Jun 2010 16:33 #372664 by wes_scooter
one cylinder missing was created by wes_scooter
i've got a miss on my kz900. i think its #3, it does it mainly when holding the throttle steady(like crusing). it seems to miss and pop from the intake and exhaust on this cylinder, and seems to sometimes loose one cylinder, but feels like it comes alive at 5k and over, or when accelerating hard. i'm new to the 900 and the raw power they have, which makes diagnosing power troubles harder. would the float level cause this. i see i have fuel leaking from the bowl gasket and from the over flow drain, on #3. dident think that a rich condition would ast like this. i'm going to check the level soon, also the valve clearances. just looking for some insite befor working on it.

carb tuners please let your insite flow freely.

76' kz900
70' yamaha R5
2006 wr450f

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01 Jun 2010 16:40 #372665 by MFolks
Replied by MFolks on topic one cylinder missing
Tried replacing the sparkplug wires(high tension leads) or sparkplug cap(s)?

Checked the input voltage to the primary(small wires) side of the ignition coils?

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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01 Jun 2010 16:49 - 01 Jun 2010 16:50 #372668 by wes_scooter
Replied by wes_scooter on topic one cylinder missing
i have new wires in hand. am going to change them the next time i can get time to work on it. when i put a timing light on the #4 wire sometimes when cold i dont get a spark at all, thats why i got the wires. i may have to change the coils also, is it common to lose one half of a coil.

also the voltage was close to batt+ when i last checked, but that was last fall when i was putting it back together.

76' kz900
70' yamaha R5
2006 wr450f
Last edit: 01 Jun 2010 16:50 by wes_scooter.

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01 Jun 2010 17:00 #372674 by PLUMMEN
Replied by PLUMMEN on topic one cylinder missing
we'll find your missing cylinder! :laugh:

Still recovering,some days are better than others.
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