5-18 FUEL AND LUBRICATION SYSTEM
Drill-stop
Pilot
screw
Plug
Carburetor
body
• Use a %” size drill bit with a drill-stop to remove the pilot screw
plug. Set the drill-stop 6 mm from the end of the bit to prevent
drilling into the pilot screw. Carefully drill through the plug.
Thread a self-tapping sheet metal screw into the plug. Pull on
the screw head with pliers to remove the plug. Carefully clean
any metal shavings from the area. (For E-03, 28, 33)
#
Replace the plug with a new one.
• Slowly turn the pilot screw 1 in clockwise and count the num-
ber of turns until the screw is lightly seated. Make a note of how
many turns were made so the screw can be reset correctly
after cleaning.
• Remove the pilot screw 1 with the spring 2, washer 3, and
O-ring 4.
• Remove the funnel 5.
• Remove the pilot air jets 6.
#
Do not use a wire for cleaning the passage and jets.
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