Troubleshooting - Beta EVO 4T Owner's Manual

5

TROUBLESHOOTING

PROBLEM
The engine turns over but
will not start
The power delivered by
the engine is insuffi cient
The motor stops or
splutters
Engine overheats
(liquid fl ows out/vapor
from the vent radiator)
Front braking poor
Rear braking poor
GB
CAUSE
Fuel cock in C position
Dirty carburettor jets
Spark plug dirty
Spark gap wrongly adjusted
Fault in the ignition system
Tank vent obstructed
Fuel system dirty
Air fi lter dirty
Defective ignition system
Lack of fuel
Poor carburettor seal
Loose or oxidized connector or
ignition coil
Radiator grill blocked
Radiator (air side) blocked
Forced ventilation absent
Low coolant
Silencer partly clogged
Carburation too lean
Brake pads worn
Air or humidity in the hydraulic
circuit
Brake pads worn
Air or humidity in the hydraulic
circuit
62
REMEDY
Turn the fuel cock in A position
Contact authorised BETAMOTOR
customer service
Clean or replace the spark plug
Restore the spark gap
(page 40)
Contact authorised BETAMOTOR
customer service
Check the tank vent
Contact authorised BETAMOTOR
customer service
Clean the air fi lter
Contact authorised BETAMOTOR
customer service
Move the fuel cock to A
Refuel
Make sure that the sleeve between
carburetor and engine is intact
Check the connector. Clean and
treat with specifi c spray
Remove and clean the grill (page
38)
Clean the radiator
Check that the cooling fan is working
correctly
Check the coolant level (page 36)
Contact authorised BETAMOTOR
customer service
Contact authorised BETAMOTOR
customer service
Contact authorised BETAMOTOR
customer service
Contact authorised BETAMOTOR
customer service
Contact authorised BETAMOTOR
customer service
Contact authorised BETAMOTOR
customer service