Beta ALP 4.0 User Manual

6
TROUBLESHOOTING
158
GB
PROBLEM CAUSE
Engine does not start
REMEDY
- Fuel system clogged (fuel lines,
fuel tank, fuel cock).
- Air filter dirty.
- No current supplied to spark
plug.
- Engine flooded.
Clean the system.
Proceed as described on page 129.
Clean or replace the spark plug. If the
problem persists, contact a
BETAMOTOR dealer.
Open the throttle wide and try starting
the engine for a few moments. If this
does not solve the problem, remove
the spark plug and dry it.
Clean the system.
- 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 150.
Follow the procedure described on
page 124.
Rear braking poor
- Brake pads worn.
- Air or humidity in the hydraulic
circuit.
Follow the procedure described on
page 152.
Follow the procedure described on
page 125.

Beta ALP 4.0 Specifications

General

Displacement	349 cc
Final Drive	Chain
Rear Suspension	Monoshock
Front Brake	Single disc, 260 mm
Rear Brake	Single disc, 220 mm
Front Tire	90/90-21
Engine	Single cylinder, 4-stroke