Yamaha TW125 1999 Service Manual page 170

CARBURETOR
8. Check:
S piston valve movement
Insert the piston valve into the carburetor
body and move it up and down.
Tightness ! Replace the piston valve.
9. Check:
S starter plunger 1
S starter plunger spring 2
Bends/cracks/damage ! Replace.
10. Check:
S hose joints
Cracks/damage ! Replace.
11. Check:
S fuel hoses 1
Cracks/damage/wear ! Replace.
Obstruction ! Clean.
Blow out the hoses with compressed air.
EAS00487
ASSEMBLING THE CARBURETOR
CAUTION:
S Before assembling the carburetor, wash all
of the parts in a petroleum-based solvent.
S Always use a new gasket.
1. Install:
S main nozzle 1
S main jet 2
S pilot jet 3
5-5
CARB