6
TROUBLESHOOTING
76
GB
PROBLEM CAUSE
Engine does not start
REMEDY
- Fuel system clogged (fuel lines,
fuel tank, fuel cock).
- Air fi lter dirty.
- No current supplied to spark
plug.
- Engine fl ooded.
Clean the system.
Proceed as described on page 49
Clean or replace the spark plug.
If the problem persists, contact a BETA-
MOTOR dealer.
Operate the start-up pedal 5-10 times
or the electrical starter pushbutton 2
times every 5 seconds. If the vehicle
does not start, remove and dry the
spark plug.
Engine misfi res
- Spark gap wrongly adjusted.
- Spark plug dirty.
Restore the spark gap.
Clean or replace the spark plug.
Engine knocks
- Spark advance excessive.
- Carbon formation in cylinder
or on spark plug.
Check the ignition timing.
Contact a BETAMOTOR dealer.
Engine overheats and
loses power
- Silencer partly clogged.
- Exhaust port clogged.
- Ignition delayed.
Contact a BETAMOTOR dealer.
Contact a BETAMOTOR dealer.
Check the timing.
Front braking poor
- Brake pads worn.
- Air or humidity in the hydraulic
circuit.
Follow the procedure described on page 70
Follow the procedure described on
page 42
Rear braking poor
- Pastiglie usurate
- Presenza di aria o umidità nel
circuito idraulico
Follow the procedure described on page 71
Follow the procedure described on
page 43
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