Assembling The Carburetor - Yamaha YB50 Service Manual

CARBURETOR
NOTE:
The arm of the float should be supported on
the valve without compressing it.
• If the height of the float is not within the spe-
cified limits, inspect the valve and its seat.
• Substitute both parts if any part of them is
worn.
• If both are in good condition, replace the
float.
• Check the height of the float again.
NOTE:
The height of the float is adjusted in the fac-
tory. Do not try to modify it under any cir-
cumstances.
EAS00487

ASSEMBLING THE CARBURETOR

The assembly of the carburetor is carried out
following the reverse procedure to "DISAS-
SEMBLY". Bear in mind the following points:
CAUTION:
• Before assembling the carburetor, wash
all of the parts in a petroleum-based sol-
vent.
• Always use new gaskets.
1. Install:
• jet needle
• clip
• throttle valve
• spring seat
• spring
Jet needle clip position:
3/5 (Dell'orto)
2/3 (Gurtner)
1/3 (Mofa Version)
2. Install:
• throttle valve
NOTE:
Align the groove
tion .
5-5
CARB
with the carburetor projec-