- Apr 20, 2001
What is the right color for a 4 stroke plug? A bit harder to read that 2 smokers. Bike is '01 klx300R. Plug is brownish on tip, off white inside. No black on plug at all. Could this be lean, or o.k.?Have done the KLX simple mods (remove snorkel, baffle, pcv valve and needle change).