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General Category => General Discussion => Topic started by: tonga2 on January 20, 2015, 07:57:59 PM

Title: Spark Plug condition
Post by: tonga2 on January 20, 2015, 07:57:59 PM

Can anyone tell me the condition of this spark plug?
I checked on the ngk spark plug condition page and my closes match would be "normal condition" or "normal life" is that correct?

This is the page I am talking about.
http://ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp

(https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-xaf1/v/t1.0-9/10945022_10206047151358117_4058439310409474068_n.jpg?oh=246a1f8d7b9bbc175c40ee972171427c&oe=5521B4A1&__gda__=1428417557_e44f0a0d23d18cc5167f717a127fc55b)
 

Title: Re: Spark Plug condition
Post by: oldbike54 on January 20, 2015, 08:17:12 PM

Looks good to me , maybe a tad dark .

  Dusty

Title: Re: Spark Plug condition
Post by: Kiwi Dave on January 20, 2015, 08:48:15 PM

The center electrode looks worn to me.  Perhaps you might compare it with a new one.

Title: Re: Spark Plug condition
Post by: rodekyll on January 20, 2015, 08:55:39 PM

The burn looks good.  The electrodes look ratty, but I can't really tell due to the soot.  Can you clean them up?

Title: Re: Spark Plug condition
Post by: tonga2 on January 20, 2015, 09:12:08 PM

cool thanks for the replies good to know they look good. I was just curious.

They are due for replacement anyways (according to the manual) so I'll change them out.

Title: Re: Spark Plug condition
Post by: Vasco DG on January 21, 2015, 12:08:00 AM

If you want to know what is happening in the combustion chamber you'll need new plugs and a series of chops at different throttle openings. What machine? I'm assuming an 8V?

Pete

Title: Re: Spark Plug condition
Post by: Doppelgaenger on January 21, 2015, 02:53:37 AM

that's a weird looking plug, why is part of the electrode missing?