Spark plug color

[Conner Jones]

I just picked up a used yz85. I put a new spark plug in it and rode it around for an hour and then took it out and this is what it looks like. Does it look lean? The insulator looks really white to me. It has stock jetting and the bike is completely stock so i would think that it should be jetted correctly. I live in central florida so elevation is close to sea level and temperature is always around 90F The compression is 130 by the way, not sure if thats good or not but...

 

[Awk08]

The smoke ring that can be read to determine correct jetting after a full throttle plug chop run is down inside near the bottom of the porcelain insulator, just looking at the plug as shown tells nothing

https://www.blasterforum.com/threads/how-to-plug-chop.53237/