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The motor starts well but the power is irregular or low
The propeller adopted is not certified
from Vittorazi
Substitution
The spark-plug is worn out or defective
Substitution
The spark-plug has soot in the electrode
Clean it with an iron brush or replace it.
The cap of the spark-plug is not well
installed with the cable
Checkup or replace the cap
The electric plant
Check there are no cables or wiring worn
out or open.
Check the correct installation.
The ignition coil or the contact breaker
has a problem
Replace it
Wrong carburation
Restore the standard carburation
The reed valve is worn out
Replace the petals
Aspiration of air from the junctions
Control and substitution where
necessary of the gaskets, o-ring or
oilseals.
Intake or exhaust pipe clogged
Check the passage of airbox, exhaust
pipe and silencer.
Carburetor problem
Get off and inspect
The gasoline in the tank is aged, there is
water or other liquids, it is dirty
Void the tank and replace it
The gasoline in the tank has a wrong
percentage of oil
Void the tank and replace it
Aspiration of air from the circuit tank-
bulb-filter-carburetor
Check the junctions or replace the aged
pipeline or bulb
Dirty gasoline filter
Replace it
Carburetor membranes worn out
Replace it
Too much soot in the head
Clean it
Problem to the cylinder or piston
Replace it
Model Fly100evo: clutch worn out
Replace the masses of the clutch
Overheating
The propeller adopted is not certified
from Vittorazi
Substitution
The gasoline in the tank has a wrong
percentage of oil
Void the tank and replace it
Wrong carburation
Restore the standard carburation
Aspiration of air from the junctions
Control and substitution where
necessary of the gaskets, o-ring or
oilseals.
Vibrations
Propeller breakup
Small lesions: reparation allowed only
for experienced person. Otherwise
substitution.
Components' breakup (es. muffler,
bearings, bracket)
Check the motor. Don't use the motor
up to the problem has not been
identified and resolved.
Rubber mounting breakup
Replace it
