Oily sparkplugs?

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Oily sparkplugs?

Postby Kadvaga » Sun Dec 22, 2019 2:56 pm

Hi there,
Recently took out my spark plugs and found them to be somewhat oily around the tip/threads/ceramic part. They probably haven't been serviced in....maybe forever..who knows.
Someone at work suggested that this oil could be a sign of bad valve guide seals, can anybody corroborate or refute this? I am not sure how serious I want go get about an engine rebuild..but I'm not against getting into it. I'm considering just putting new plugs in and seeing how she runs as is.. any tips?
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Re: Oily sparkplugs?

Postby ExTex77 » Sun Dec 22, 2019 5:23 pm

Yes, I would install new spark plugs and to see how well the engine works.
After installation, go ride about 30 miles and after cooling, inspect the plugs.
If they appear good, I would not worry about it.

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Re: Oily sparkplugs?

Postby Janovich » Mon Dec 23, 2019 10:57 am

Valve seals should be fairly easy and cheap to replace, although I don't know the specifics for the VTR. You usually only have to remove the cylinder head to access them.
But yeh I advice you to try new plugs for a while before going into your engine.
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Re: Oily sparkplugs?

Postby squirrelman jerry » Wed Jan 15, 2020 11:20 pm

replacing valve seals is no easy job, how many miles on the engine ?
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Re: Oily sparkplugs?

Postby spotthedogg » Thu Jan 16, 2020 8:40 am

Janovich wrote:Valve seals should be fairly easy and cheap to replace, although I don't know the specifics for the VTR. You usually only have to remove the cylinder head to access them.
But yeh I advice you to try new plugs for a while before going into your engine.



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