Yamaha WR426F(P) Owner's Service Manual page 376

Å
CARBURETOR
10. Install:
Starter jet 1
G
Pilot jet 2
G
Spacer 3
G
Needle jet 4
G
Main jet 5
G
11. Install:
Valve seat
G
Screw (valve seat) 1
G
Needle valve 2
G
Float 3
G
Float pin 4
G
NOTE:
After installing the needle valve to the float,
G
install them to the carburetor.
Check the float for smooth movement.
G
12. Install:
Pilot screw 1
G
Spring 2
G
Washer 3
G
O-ring 4
G
Note the following installation points:
Turn in the pilot screw until it is lightly
G
seated.
Turn out the pilot screw by the number of
G
turns recorded before removing.
Pilot screw:
WR426F: 1-5/8 turns out
WR400F: 1-1/2 turns out
(example)
* Except for USA
13. Install:
O-ring
G
Float chamber 1
G
Screw (float chamber) 2
G
Cable holder (throttle stop screw cable)
G
3
Hose holder (carburetor breather hose)
G
4
Å WR426F
ı WR400F
4 - 17
ENG
*1-1/8 turns out