Suzuki RM-Z250 Owner's Service Manual page 186

12-14 FUEL SYSTEM
• Apply SUZUKI SILICONE GREASE to the throttle shaft.
( 99000-25100: SUZUKI SILICONE GREASE
• Hook the return spring onto the stopper of the throttle pulley.
• Insert the throttle shaft and install the steel washer A, plastic
washer B and link arm C.
• Fit the end of the return spring into the recess of the carbure-
tor body.
• Turn the throttle shaft counterclockwise while holding down
the acceleration pump lever D and clear the stopper E of the
pulley from the throttle stop screw F.
• Reassemble the throttle valve assembly as shown.
NOTE:
Assemble the floating valve so the hole G faces downward.
• Set the link rollers of the throttle link into the slits of the throttle
valve.
• Insert the throttle valve assembly.
• Apply THREAD LOCK SUPER to the screw D.
) 99000-32110: THREAD LOCK SUPER "1322"
(or equivalent thread lock)