RCU Forums - View Single Post - ys 120 excessive smoke

05-23-2017, 06:16 AM

#2

Four Stroker

Join Date: Nov 2006

Location: , GA

Posts: 356

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Adjust for max rpm on the ground and richen (turn out) main needle 3 clicks.

Smoke is the oil burning/vaporizing in the muffler. Try a YS 20/20 fuel. OR 30% heli fuel. How much is too much smoke ?

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