Yamaha TTR125LM, Owner'S Service Manual

Page: 196 / 468

4 - 6
ENG
CARBURETOR
EC464000
INSPECTION
Carburetor
1. Inspect:
●
Carburetor body
Contamination
→
Clean.
NOTE:
●
Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
●
Never use a wire.
2. Inspect:
●
Main jet 1
●
Main jet nozzle 2
●
Pilot jet 3
NOTE:
●
Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
●
Never use a wire.
Needle valve
1. Inspect:
●
Needle valve
1
●
Needle valve seat
2
Grooved wear
a
→
Replace.
Dust
b
→
Clean.
NOTE:
Always replace the needle valve and needle
valve seat as a set.