Yamaha RS90K Manuel D'atelier page 602

CARBURETORS AND FUEL PUMP
1
2
1
INSPECTION
1. Inspect:
• Carburetor body
• Float chamber
Cracks/damage → Replace.
2. Inspect:
• Fuel passages
Obstruction → Clean.
NOTE:
• Use a petroleum based solvent for cleaning.
• Blow out all passage and jets with compressed
air.
3. Inspect:
• Float chamber body 1
4. Inspect:
• Float chamber rubber gasket 2
Cracks/damage/wear → Replace.
5. Inspect:
• Float 1
Damage → Replace.
6. Inspect:
• Needle valve 1
• Needle valve seat
Damage/obstruction/wear → Replace the car-
buretor assembly.
7-6
CARB