5
TROUBLESHOOTING
66
GB
PROBLEM CAUSE REMEDY
The engine turns over but
will not start
Fuel valve in OFF position
Move the fuel valve in ON or RES
position
Dirty carburettor jets Contact authorised Betamotor cus-
tomer service
Spark plug dirty Clean or replace the spark plug
Spark gap wrongly adjusted Restore the spark gap (page 39)
Fault in the ignition system Contact authorised Betamotor cus-
tomer service
The power delivered by
the engine is insufficient
Tank vent obstructed Check the tank vent
Fuel system dirty Contact authorised Betamotor cus-
tomer service
Air filter dirty Clean the air filter
Defective ignition system Contact authorised Betamotor cus-
tomer service
The motor stops or
splutters
Lack of fuel Move the fuel cock to RES
Refuel
Poor carburettor seal Make sure that the sleeve between
carburetor and engine is intact
Loose or oxidized connector or
ignition coil
Check the connector. Clean and
treat with specific spray
Engine overheats
(liquid flows out/vapor
from the vent radiator)
Radiator grill blocked Remove and clean the grill (page
37)
Radiator (air side) blocked Clean the radiator
Forced ventilation absent Check that the cooling fan is working
correctly
Silencer partly clogged Contact authorised Betamotor cus-
tomer service
Carburation too lean Contact authorised Betamotor cus-
tomer service
Front braking poor Brake pads worn Contact authorised Betamotor cus-
tomer service
Air or humidity in the hydraulic
circuit
Contact authorised Betamotor cus-
tomer service
Rear braking poor Brake pads worn Contact authorised Betamotor cus-
tomer service
Air or humidity in the hydraulic
circuit
Contact authorised Betamotor cus-
tomer service
TROUBLESHOOTING
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