Derbi boulevard 125 4t Workshop Manual page 143

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 - 143