Honda 2003 NPS50 Ruckus Service Manual page 88

FUEL SYSTEM
Be careful not to Install the diaphragm/vacuum piston assembly into
damage the jet the carburetor body.
needle.
Be careful not to
Lift the bottom of the piston with your finger to set
pinch the
the diaphragm rib in the groove of the carburetor
diaphragm, and
body.
keep the spring
straight when
Install the spring and chamber cover.
compressing the
spring.
Make sure the diaphragm is not pinched by the
chamber cover.
Install the harness clamp stay (After '05 model
only).
Tighten the screws to the specified torque.
TORQUE: 2.1 N·m (0.21 kgf·m, 1.5 lbf . ft)
STARTING ENRICHMENT (SE) VALVE
Coat a new 0-ring with oil and install it on the SE
valve.
Be careful not to Install the SE valve into the carburetor until it is fully
damage the SE seated.
valve needle.
Install the setting plate onto the SE valve groove.
Install the SE va lve into the carburetor body a s
shown.
Install and tighten the screw to the specified torque.
TORQUE: 2.1 N·m (0.21 l<gf·m, 1.5 lbf·ft)
6- 1 4
SPRING
VAC U U M CHAMBER COVER
COVER
SCREW
SETTING PLATE