Yamaha WR250F(N), Owner'S Service Manual

Page: 298 / 686

4 - 16
ENG
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:
1-3/4 turns out (example)
13. Install:
●
O-ring
●
Leak jet 1
●
Float chamber 2
●
Bolt (float chamber) 3
●
Cable holder (throttle stop screw cable)
4
●
Hose holder (carburetor breather hose)
5