Yamaha TT600R Service Manual page 299

CARBURETOR ASSEMBLY
FUEL LEVEL ADJUSTMENT (CARBURE-
TOR INSTALLED
1. Place the motorcycle on a level surface.
2. Make sure that the carburetor is in a horizon-
tal position by placing a hydraulic jack under
the engine.
3. Connect the fuel level gauge (1) to the carbu-
rettor nipple.
Fuel level gauge:
P/N. 90890-01312
4. Loosen drain screw (2) and heat the engine.
5. Measure:
•
Fuel level (a)
Out of specification
Fuel level:
6.0 ~ 8.0 mm
Under the edge of the carburetor
body.
6. Adjust:
•
Fuel level
Fuel level adjustment:
•
Remove carburetor assembly.
•
Inspect valve seat and needle valve set.
•
If either of the two is worn, replace both.
•
If both are perfect, adjust float height by bend-
ing the wing tab of the float itself (1).
•
Recheck the fuel level.
6-16
CARB
Adjust.