Yamaha YZ85LC Fahrer- Und Wartungs-Handbuch Seite 212

CARBURETOR AND REED VALVE
5PA40110
5PA40120
5PA40130
5PA40130
4 - 8
HANDLING NOTE
CAUTION:
Do not disassemble the venturi block 1
because it will cause a drop in carburetor
performance.
EC463000
REMOVAL POINTS
EC463110
Throttle valve
1. Remove:
Throttle valve 1
G
Ring 2
G
Spring (throttle valve) 3
G
Mixing chamber top 4
G
Throttle cable 5
G
NOTE:
While compressing the spring (throttle valve),
disconnect the throttle cable.
INSPECTION
Pilot air screw
1. Remove:
Pilot air screw 1
G
NOTE:
To optimize the fuel flow at a small throttle
opening, each machine's pilot air screw has
been individually set at the factory. Before
removing the pilot air screw, turn it in fully and
count the number of turns. Record this number
as the factory-set number of turns out.
Carburetor
1. Inspect:
Carburetor body
G
Contamination → Clean.
NOTE:
Use a petroleum based solvent for cleaning.
G
Blow out all passages with compressed air.
Never use a wire.
G
ENG