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Spark plug color. Should I go richer?


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Hi there,

After some adjustments to the carburetor of my Thor200, yesterday I made a 2h flight. The engine performed very well and the CHT in level flight never never exceeded 160ºC. Consumption was low. About 3,8 l/h.

However, after inspecting the spark plug I am afraid it's running lean. What do you think?

Thanks in advance



Edited by GerardTC
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