Oil on top of sprk plugs - ZX Forums
 
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post #1 of 5 (permalink) Old 06-16-2019, 04:31 PM Thread Starter
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Oil on top of sprk plugs

Hi All,

After wanting one for 30 years I finally bought a 1996 ZX-11. It ran a little sluggish under 4,000 rpm, but once over that it screamed. After riding for a few days I pushed it a little hard and noticed it started running rough at higher rpm. I started to pull the plugs and noticed the threads of the first one was covered in wet oil. The oil was clean and unburnt. I pulled the second plug quickly and noticed the tip was dry, but the threads were covered in oil. The rest of the plugs were the same. Has anyone ever heard of this? Thank you for any help you can give.

Regards,

Jim
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post #2 of 5 (permalink) Old 06-16-2019, 04:52 PM
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Sounds like you have oil leaking passed the cam cover plug seals



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post #3 of 5 (permalink) Old 06-17-2019, 04:46 AM
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New valve cover gasket , rubber spacers under valve cover bolts , gaskets around sparkplug holes and this .

http://www.kwickstand.net/Hyper-Form...ion_Plugs.html
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post #4 of 5 (permalink) Old 06-17-2019, 03:54 PM
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Which will give you a chance to check the valve clearances.

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post #5 of 5 (permalink) Old 06-21-2019, 03:05 PM
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