Adjustment - Yamaha DT125RE 2005 Service Manual

CARBURETOR

ADJUSTMENT

Fuel level adjustment
1. Measure:
• Fuel level
Out of specification
Fuel level:
1.5~2.5mm (0.05~0.09in.)
In the middle of the Float
Chamber. Below the carburetor
Body edge.
Fuel level measurement and adjustment
steps:
• Place the motorcycle on a level surface.
• Use a garage jack under the engine to
ensure that the carburetor is positioned ver-
tically.
• Connect the fuel level gauge
pipe .
Fuel level gauge:
90890-01312
• Loosen the drain screw and warm up the
engine for several minutes.
• Measure the fuel level with tha gauge.
• If the 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 level by ben-
ding the float tang slightly.
• Install the carburetor.
• Recheck the fuel level.
7-9
CARB
adjust
to the drain