Yamaha TT600R Service Manual page 297

CARBURETOR ASSEMBLY
10. Install:
•
Float pin (1)
NOTE:
Assemble the float pin in the opposite direction to
the arrow.
11. Measure:
•
Float height (a)
Out of specification
Float height:
27.0 - 29.0 mm
Measurement and adjustment:
•
Hold the carburetor upside down.
•
Measure the distance from the joint plane of
the float chamber (without the gasket) and the
top of the float.
NOTE:
The float arm must rest on the neeedle valve
without being pressed.
•
If the float height is out of tolerance, check the
valve seat and the needle valve.
•
If either is worn, replace both.
•
If both are perfect, adjust the float height by
bending the wing tab of the float itself (1).
•
Recheck the float height.
12. Install:
•
Float chamber
Screw (float chamber):
2 Nm (0.2 mkg)
13. Adjust:
•
Pilot air screw (1)
Adjustment:
•
Turn the screw until it is slightly locked.
•
Unscrew by 3 and 1/2 turns.
6-14
CARB
Adjust.