FUEL
CARBURETOR
SERVICE POINTS
CAUTION:
Do not use steel wire for cleaning the jets.
This may enlarge the jet diameters and
seriously affect performance.
Diaphragm inspection
1. Inspect:
Diaphragm
G
Damage → Replace.
Accelerator pump body inspection
1. Inspect:
One way valve
G
Crack/damage → Replace the acceler-
ator pump body.
Fuel passage
G
Clog → Clean or replace.
Arm inspection
1. Inspect:
Arm 1
G
Bends/damage → Repair or replace.
2. Measure:
Arm height a
G
Arm height:
0–0.2 mm (0–0.008 in)
NOTE:
Measure the distance between the surface
G
of the carburetor body b and the top sur-
face of the arm.
The arm should be resting on the needle
G
valve, but not compressing it.
4-21
E