CARBURETOR AND REED VALVE
5PA40140
5PA40150
5PA40160
5PA40170
4 - 9
2. Inspect:
Main jet 1
G
Main nozzle 2
G
Main nozzle holder 3
G
Pilot jet 4
G
Contamination → Clean.
NOTE:
Use a petroleum based solvent for cleaning.
G
Blow out all passages and jets with com-
pressed air.
Never use a wire.
G
Needle valve
1. Inspect:
Needle valve 1
G
Valve seat 2
G
Grooved wear a → Replace.
Dust b → Clean.
EC464301
Throttle valve
1. Check:
Free movement
G
Stick → Repair or replace.
NOTE:
Insert the throttle valve 1 into the carburetor
body, and check for free movement.
EC464401
Jet needle
1. Inspect:
Jet needle 1
G
Bends/wear → Replace.
Clip groove
G
Free play exists/wear → Replace.
Clip position
G
Standard clip position:
No.2 Groove
ENG