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4. FUEL SYSTEM K-PIPE 125
Throttle Stop Screw
MAIN JET/SLOW JETS/AIR SCREW/
THROTTLE STOP SCREW REMOVAL
Remove the main jet, needle jet holder, and
needle jet.
Remove the slow jet
Remove the air screw and throttle stop screw.
CAUTIONS !
· Be careful not to damage the jets and jet
holder when removing them.
Air Screw
· Before removing, turn the throttle stop
screw and air screw in and carefully count
the number of turns until they seat lightly
and then make a note of this.
· Do not force the screw against its seat to
avoid seat damage.
· Be sure to install the O-ring in the reverse
order of removal.
CARBURETOR CLEANING
Throttle Stop Screw
Blow compressed air through all passages of the
carburetor body.
SLOW JET/MAIN JET INSTALLATION
Install the slow jet.
Install the needle jet, needle jet holder and main jet.
Install the throttle stop screw and air screw. Slow Jet Main Jet
· When installing the air screw, return it to the
original position as noted during removal.
· After the carburetor is installed, be sure to
perform the Exhaust Emission Test.
Install the float valve, float and float pin.
Float Pin
4-9