Yamaha TTR125 1999 Fahrer- Und Wartungshandbuch Seite 190

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.
4 - 6
ENG