Yamaha XVS1100(L) Service Manual page 194

CARBURETOR
8. Check:
S vacuum chamber cover 1
S piston valve spring 2
S plastic cap 3
S O-ring 4
S spring 5
Cracks/damage ! Replace.
9. Check:
S jet needle 1
S needle jet 2
S main jet 3
S pilot screw 4
S pilot jet 5
S main air jet 6
S starter jet 7
Bends/damage/wear ! Replace.
Obstruction ! Clean.
Blow out the jets with compressed air.
10. Check:
S piston valve movement
Insert the piston valve into the carburetor
body and move it up and down.
Tightness ! Replace the piston valve.
11. Check.
S fuel feed pipes
S hose joint
Cracks/damage ! Replace.
Obstruction ! Clean.
Blow out the pipes with compressed air.
12. Check:
S fuel feed hoses
S fuel hoses
Cracks/damage/wear ! Replace.
Obstruction ! Clean.
Blow out the hoses with compressed air.
5-5
CARB