Technical data

239
POSSIBLE CAUSE
WORK
Defective feeding circuit Check the feeding pump, the vacuum inlet, and the
duct seal, replace if required.
ENGINE TENDS TO CUT-OFF AT FULL THROTTLE
POSSIBLE CAUSE
WORK
Wrong timing Adjust the timing and check the timing components.
ENGINE TENDS TO CUT-OFF AT IDLE
T
HE ENGINE TENDS TO STOP AT MAX GAS OPENING
Incorrect float level Restore the level in the basin by bending The fuel inlet
pin thrusting reed on the float so as to have the float
parallel to the basin plane with upturned carburettor.
Water in the carburettor Empty the basin by the special drain.
Maximum jet dirty - lean carburetion Wash with solvent and dry with compressed air.
Cut-off device failure Check the efficiency of the valve, membrane, spring,
and the cleaning of the sponge filter.
Idle adjustment is incorrect Adjust with the rpm counter.
Compression end pressure too low Check the seals of the thermal unit and replace worn
components.
Faulty spark plug or incorrect ignition ad-
vance.
Replace the spark plug or check the ignition circuit
components
Starter remains pressed Check: electric connections, circuit continuity, mecha-
nical sliding, and presence of power; replace, if requi-
red
Idle nozzle dirty Wash with solvent and dry with compressed air
THE ENGINE TENDS TO STOP AT IDLE