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SDN7140
SDN7150
7-8
CARBURETORS
FUEL LEVEL ADJUSTMENT
1. Measure:
•
Fuel level
Out of specification → Adjust.
Fuel level (from the bore center) a:
36 ~ 38 mm (1.42 ~ 1.50 in)
Measurement and adjustment steps:
•
Place the machine on a level surface.
•
Attach the fuel level gauge 1 to the float
chamber nozzle.
Fuel level gauge:
90890-01312, YM-01312-A
NOTE:
Use the adapter (outside diameter ø6 hose) 2
when attaching the fuel level gauge.
•
Loosen the drain screw 3 and start the en-
gine.
•
Place the tube along the seam line 4 of the
carburetor body.
•
Measure the fuel level a with the gauge.
•
If the fuel level is incorrect, adjust the fuel
level.
•
Remove the carburetor.
•
Inspect the valve seat and needle valve.
•
If either is worn, replace them both.
•
If both are fine, adjust the float height by
bending the float tang 5 on the float.
•
Recheck the fuel level.
CARB
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