4 - 12
ENG
CARBURETOR
2. Inspect:
•Main jet 1
•Pilot jet 2
•Needle jet 3
•Starter jet 4
•Pilot air jet 5
•Leak jet 6
Damage → Replace.
Contamination → Clean.
N
OTE:
•Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
•Never use a wire.
Needle valve
1. Inspect:
•Needle valve 1
•Valve seat 2
Grooved wear a → Replace.
Dust b → Clean.
EC464301
Throttle valve
1. Check:
•Free movement
Stick → Repair or replace.
N
OTE:
Insert the throttle valve 1 into the carburetor
body, and check for free movement.
EC464401
Jet needle
1. Inspect:
•Jet needle 1
Bends/wear → Replace.
•Clip groove
Free play exists/wear → Replace.
•Clip position
Standard clip position:
No.4 Groove