different plug readings, same fuel

clw

Member
Dec 29, 2000
239
0
Three machines: 2002 YZ250, 2001 Gas Gas XC250 and Homelite weedeater--all using Mobil 93 and Mobil MX2T, the YZ and the wacker get tan plug readings while the Gasser is gray. All dry and look good (no deposits). Any ideas what influences the different colors?

I'm just curious!
 

125 rider

Sponsoring Member
Oct 1, 2000
408
1
Do a search on plug readings, there have been some very good threads not long ago that will tell you everything you wanted to know about what influences the color of a spark plug.
 

bigred455

"LET'S JUST RIDE"
LIFETIME SPONSOR
Sep 12, 2000
782
0
Are they all using the same ratios
 

clw

Member
Dec 29, 2000
239
0
Same ratio cause it's poured from the same can! The wacker gets the leftovers. A searching I will go...
 
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