Technical data

153
Remove the spray nozzle.
N.B.
THIS OPERATION IS REQUIRED TO PREVENT LOSING THE 
SPRAY NOZZLE DURING THE CARBURETTOR CLEANING OPE-
RATIONS. IF THE SPRAY NOZZLE IS FORCED INTO ITS SEAT, 
DO NOT REMOVE IT TO PREVENT DAMAGING IT.
Remove the minimum nozzle.
Remove the minimum flow adjustment screw and the 
spring.
CAUTION
DO NOT REMOVE THE COMPONENTS FIXED INTO THE CAR-
BURETTOR BODY, SUCH AS: FUEL FEEDING DUCT, PIN SEAT, 
STARTER NOZZLE, PICKUP NOZZLE AND PIT CAP, MINIMUM 
AND MAXIMUM AIR CALIBRATOR, THROTTLE VALVE, CONTROL 
SHAFT. DO NOT REMOVE THE SCREWS FIXING THE THROTTLE 
TO THE SHAFT. THE FIXING SCREWS ARE CAULKED AFTER AS-
SEMBLY AND THEIR REMOVAL DAMAGES THE SHAFT.
WALBRO
- To disconnect the carburettor from the engine, it is neces-
sary to move the air filter and remove the gas control trans-
mission, the automatic starter connection, the clamps fixing 
the carburettor to the filter box and to the intake manifold, 
the pipe feeding air to the membrane, and the intake uni-
on.
- Extract the carburettor and turn it to remove the screw with 
the water union and relevant pipes.










