Yamaha YZ450F(S), Owner'S Service Manual

Page: 270 / 642

4 - 16
ENG
CARBURETOR
8. Install:
●
Throttle shaft assembly 1
●
Plain washer (metal) 2
●
Plain washer (resin) 3
●
Valve lever 4
NOTE:
●
Apply the fluorochemical grease on the bear-
ings.
●
Fit the projection
a
on the throttle shaft
assembly into the slot
b
in the TPS (throttle
position sensor).
●
Make sure the stopper
c
of the spring fits
into the recess in the carburetor.
●
Turn the throttle shaft assembly left while
holding down the lever 1
5 and fit the throt-
tle stop screw tip
d
to the stopper
e
of the
throttle shaft assembly pulley.
1 2 3
4
b
a
c
e
d
5
9. Install:
●
Push rod 1
NOTE:
While holding down the lever 1 2 , insert the
push rod farthest into the carburetor.
1
2
10. Install:
●
Starter jet 1
●
Pilot jet 2
●
Spacer 3
●
Needle jet 4
●
Main jet 5