PIAGGIO MSS X9 EVOLUTION 250 Workshop Manual page 147

MSS X9 Evolution 250
Engine
- Remove the chamber with the accelerating
pump, its control and gasket.
- Remove the oil pump seal.
- Remove the intake and outlet valves of the intake
pump from the tank
N.B.
CAUTION, THE ACCELERATION PUMP VALVES ARE
MADE UP OF NOZZLES, SPRING AND BALL.
N.B.
AVOID REMOVING THE PISTON OF THE PUMP AND ITS
CONTROL.
Adequately support the carburettor and using a
rod and hammer remove the float pin acting from
the throttle control side.
- Remove the float and the plunger.
- Remove the maximum nozzle
ENG - 147