O.S. Engines 18TM Revo - Manual (Page 30)

Poor r.p.m, drop
Too much throttle opening at idle.
Incorrect setting of transmitter Exponential function.
Incorrect carburetor fitting Fit carburetor securely.
Poor response
Deteriorated glowplug Replace glowplug.
Incorrect carburetor settings
Readjust low r.p.m, range with metering
needle and mixture control valve.
Close metering needle to adequate position
to lower idle r.p.m.
Check the transmitter setting.
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