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General => General Discussion => Topic started by: vermi on September 02, 2010, 02:45:06 AM

Title: What we need to check on the spark plug?
Post by: vermi on September 02, 2010, 02:45:06 AM

Here the spark plug of my Kymco with a 72cc kit.

To know if i running lean or rich what i need to check first?
(See Picture)
A, B or C???

(http://i123.photobucket.com/albums/o287/vermi_2007/Kymco/sparkabc.jpg)

I ask this question beacause a dealer said to me i running rich, the ring (A) was black!

Title: Re: What we need to check on the spark plug?
Post by: art on September 02, 2010, 03:11:47 AM

  B and c are way lean!!!  Take a look at this    http://www.dansmc.com/spark_plugs/spark_plugs_catalog.html (http://www.dansmc.com/spark_plugs/spark_plugs_catalog.html)

Title: Re: What we need to check on the spark plug?
Post by: winginman on September 02, 2010, 02:07:13 PM

Thanks for the link on the spark plugs.  Handy to have bookmarked.