7-6
CARB
CARBURETORS
5. Inspect:
• Throttle valve 1
Wear/damage → Replace.
6. Check:
• Throttle valve movement
Sticks → Replace carburetor body assem-
bly.
ASSEMBLY
NOTE:
• Before reassembling, wash all parts in clean
gasoline.
• Always use new gaskets and O-rings.
1. Tighten:
• Inner parts
Pilot air jet:
0.7 Nm (0.07 m • kg, 0.51 ft • lb)
Screw (valve seat):
1 Nm (0.1 m • kg, 0.7 ft • lb)
Pilot jet:
0.7 Nm (0.07 m • kg, 0.51 ft • lb)
Main jet:
1.8 Nm (0.18 m • kg, 1.3 ft • lb)
Starter plunger assembly:
2.5 Nm (0.25 m • kg, 1.8 ft • lb)
2. Measure:
• Float height a
Out of specification → Adjust.
Float height a:
11.3 ~ 15.3 mm (0.44 ~ 0.60 in)
T
R
.
.
SDN7090
SDN7100
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