Yamaha WR426F(N) Owner's Service Manual page 368

Å
4
3
1
2
ı
4
4
CARBURETOR
10. Install:
Starter jet 1
Pilot jet 2
Spacer 3
Needle jet 4
Main jet 5
11. Install:
Valve seat
Screw (valve seat) 1
Needle valve 2
Float 3
Float pin 4
NOTE:
After installing the needle valve to the float,
install them to the carburetor.
Check the float for smooth movement.
12. Install:
Pilot screw 1
Spring 2
Washer 3
O-ring 4
Note the following installation points:
Turn in the pilot screw until it is lightly
seated.
Turn out the pilot screw by the number of
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
Float chamber 1
Screw (float chamber) 2
Cable holder (throttle stop screw cable)
3
Hose holder (carburetor breather hose)
4
Å WR426F
ı WR400F
4 - 17
ENG
*7/8 turns out