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Not at all... what exactly are you trying to do?

 

to see if they are lean or not

 

Left to right: Good, not good, good. What you are looking for is a nice brown or tan color on the center insulator (see red area on attached drawing). As you can see in your photo, the left and right plugs have such a color. The plug in the middle seems to be very black with unburned fuel and/or oil deposits. Either you are pumping excess oil into that housing, the air-fuel mixture is very rich or the spark is very weak on that plug resulting in the deposit of unburned fuel-oil accumulating on the center insulators. What does the 4th plug look like?

 

so it doesnt look lean running at all?

 

BUR7EQ, and I think the other says BUR9EQ. Am I right?

 

yea, but i meant reading if its looks lean/rich

 

You need a bigger picture.



That doesn't cut it.