Assembling The Carburetor - Yamaha 25BMH Wartungshandbuch

FUEL
CARBURETOR

ASSEMBLING THE CARBURETOR

1. Install:
1
• Float
• Needle valve
• Float pin
• Screw
NOTE:
• The float pin should fit into the slit in
the carburetor and retained with the
screw.
• When installing the float into the carbu-
retor, place the needle valve into the
needle valve seat.
2. Measure:
• Float height
Out of specification → Replace nee-
dle valve or float.
Float height
14.5 mm (0.571 in)
NOTE:
• The float should be resting on the nee-
dle valve, but not compressing the nee-
dle valve.
• Take measurement at the top of the
float flange opposite to its pivoted side.
3. Install:
• Gasket chamber
• Float chamber
• Screw
4-10
2
3
4
a
1
2
3
E