CARBURETOR
7-10
4. Adjust:
•
Idle speed
Refer to “CHECKING THE ENGINE IDLING
SPEED” on page 3-5.
EAM30579
MEASURING AND ADJUSTING THE FUEL
LEVEL
1. Measure:
•
Fuel level “a”
Out of specification
Adjust.
a. Remove the drain plug.
b. Connect the fuel level gauge adapter “2”
and fuel level gauge “1” to the float cham-
ber.
c. Hold the fuel level gauge vertically next to
the float chamber mating surface.
d. Measure the fuel level with the fuel level
gauge.
TIP
Keep the carburetor and fuel level gauge verti-
cally when measuring the fuel level.
e. If the fuel level is not within specification,
inspect the valve seat and needle valve.
f. If either is worn, replace them both.
g. If both are fine, adjust the fuel level by
bending the float tab “b” on the float.
h. Recheck the fuel level.
Fuel level (using fuel level gauge)
9.5–10.5 mm (0.37–0.41 in)
Above the float chamber mating
surface
Fuel level gauge adapter
90890-01470
Fuel level gauge adapter
YM-01470
Fuel level gauge
90890-01312
Fuel level gauge
YM-01312-A
Summary of Contents for YZ125X 2022
Page 5: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY ...
Page 8: ......
Page 10: ......
Page 38: ...MOTORCYCLE CARE AND STORAGE 1 26 ...
Page 54: ...CABLE ROUTING DIAGRAM 2 15 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view ...
Page 56: ...CABLE ROUTING DIAGRAM 2 17 Frame and engine right side view ...
Page 58: ...CABLE ROUTING DIAGRAM 2 19 Handlebar front view 0 in 0 mm 0 mm 0 in ...
Page 60: ...CABLE ROUTING DIAGRAM 2 21 Rear brake right side view ...
Page 62: ...CABLE ROUTING DIAGRAM 2 23 ...
Page 90: ...ELECTRICAL SYSTEM 3 26 ...
Page 158: ...CHAIN DRIVE 4 66 ...
Page 202: ...CRANKSHAFT 5 42 seal lip 4 1 2 3 M ...
Page 226: ...CARBURETOR 7 11 ...
Page 231: ...ELECTRICAL COMPONENTS 8 4 EAM30289 CHECKING THE SWITCHES 1 1 Engine stop switch ...
Page 236: ...ELECTRICAL COMPONENTS 8 9 ...
Page 250: ...TROUBLESHOOTING 9 13 ...
Page 268: ......