Yamaha YZ450F 2008 Manuel D'atelier Du Proprietaire page 74

DISASSEMBLING THE CARBURETOR
Order
1 Carburetor breather hose
2 Valve lever housing cover
3 Screw (throttle shaft)
4 Throttle valve
5 Needle holder
6 Jet needle
7 Accelerator pump cover
8 Spring
9 Diaphragm (accelerator pump)
10 Float chamber
11 Leak jet
12 Pilot screw
13 Float pin
14 Float
15 Needle valve
16 Main jet
17 Needle jet
18 Spacer
Part name
4-8
Q'ty
4
1
1
1
1
1
1
1
1
1
1
1 Refer to removal section.
1
1
1
1
1
1
CARBURETOR
Remarks