Assembly - Yamaha YP250 Service Manual

CARBURETOR
YP600041

ASSEMBLY

Reverse the "DISASSEMBLY" procedure.
Note the following points.
CAUTION:
D Before assembling, wash all parts in
clean petroleum based solvent.
D Always use a new gasket.
1. Install:
D Main nozzle 1
D Main jet 2
D Pilot jet 3
2. Install:
D Valve seat 1
D Float 2
D Needle valve 3
D Float pin 4
3. Inspect:
D Float height a
*****************************************************
Inspection and adjustment steps:
D Hold the carburetor in an upside down posi-
tion.
D Measure the distance from the mating sur-
face of the float chamber (gasket removed) to
the top of the float.
D If the float height is not within specification,
inspect the valve seat and valve needle.
D If either is worn, replace them both.
D If both are fine, adjust the float height by
bending the float tang 5 on the float.
D Check the float height again.
NOTE:
The float arm should be resting on the valve
needle without compressing it.
6-4
CARB