Yamaha TT-R125EY, Руководство по обслуживанию

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4-6
ENG
1
1
CARBURETOR
EC464301
Throttle valve
1. Check:
• Free movement
Stick
→
Repair or replace.
Insert the throttle valve
1
into the carburetor
body, and check for free movement.
EC464401
Jet needle
1. Inspect:
• Jet needle
1
Bends/wear
→
Replace.
• Hold the fuel level gauge vertically next to
the float chamber mating surface.
• Loosen the drain screw.
• Measure the fuel level with the fuel level
gauge.
Keep the carburetor and fuel level gauge
vertically when measuring the fuel level.
• If the fuel level is not within specification,
inspect the needle valve seat and needle
valve.
• If either is worn, replace them both.
• If both are fine, adjust the fuel level by
bending the float tab
b
on the float.
• Recheck the fuel level.
Fuel level
1. Measure:
• Fuel level
a
Out of specification
→
Adjust.
Fuel level:
6.0 ~ 7.0 mm (0.24 ~ 0.28 in)
Below the float chamber mating
surface
Measurement and adjustment steps:
• Connect the fuel level gauge
1
to the float
chamber.
Fuel level gauge:
YM-1312-A/90890-01312
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