Yamaha YZ250F(R) Owner's Service Manual page 284

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Throttle shaft assembly 1

Washer (metal) 2

Washer (resin) 3

Valve lever 4

Apply the fluorochemical grease on the bear-

Fit the projection a on the throttle shaft

assembly into the slot b in the throttle posi-

tion 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.

While holding down the lever 1 2, insert the

push rod farthest into the carburetor.

10. Install:

Starter jet 1

Needle jet 4

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