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Title: Spark PLug Gap
Post by: DenisB on March 09, 2005, 03:55:52 PM

What is the spark plug gap on my 89 gs500e?

Title: Spark PLug Gap
Post by: Kerry on March 09, 2005, 04:29:16 PM

Facetious answer: "Hmmm, I don't know.... How about you measure it?" :lol:

Helpful answer: This section from the Haynes manual (http://www.bbburma.net/Scans/Haynes_EngineSpecs.gif) should tell you what you need to know.

Title: Thanks
Post by: DenisB on March 11, 2005, 01:29:51 AM

Thanks for the info, this should help me get much better performance since I got the bike.

Denis

Title: Re: Spark PLug Gap
Post by: gsJack on March 11, 2005, 07:49:25 AM

Quote from: DenisBWhat is the spark plug gap on my 89 gs500e?

http://www.ngksparkplugs.com/apps/motorcycles/

Title: Spark PLug Gap
Post by: Kerry on March 11, 2005, 10:07:19 AM

NOTE: The gap on the NGK site is expressed in inches.

Title: Spark PLug Gap
Post by: Rema1000 on March 11, 2005, 03:37:15 PM

That says 0.035 inches... which would be 0.889 mm. I thought the stock plug gap was 0.7 to 0.8mm. I've been running a bit over 0.8mm, and here I thought I was running wider-than-stock!

Title: Spark PLug Gap
Post by: Kerry on March 11, 2005, 04:40:00 PM

Quote from: Rema1000I thought the stock plug gap was 0.7 to 0.8mm.

See the Haynes link in my first post. The stock gap is 0.8 to 0.9mm.

So you're fine. :thumb:

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Main Area => General GS500 Discussion => Topic started by: DenisB on March 09, 2005, 03:55:52 PM