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ENG
CARBURETOR AND REED VALVE
EC464200
Needle valve
1. Inspect:
9Needle valve 1
9Valve seat 2
Grooved wear a → Replace.
Dust b → Clean.
NOTE:
Always replace the needle valve and valve seat
as a set.
EC464301
Throttle valve
1. Check:
9Free movement
Stick → Repair or replace.
NOTE:
Insert the throttle valve 1 into the carburetor
body, and check for free movement.
EC464401
Jet needle
1. Inspect:
9Jet needle 1
Bends/Wear → Replace.
9Clip groove
Free play exists/Wear → Replace.
9Clip position
Standard clip position:
No.3 Groove
2. Inspect:
9Main jet 1
9Main jet holder 2
9Pilot jet 3
Contamination → Clean.
NOTE:
9Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
9Never use a wire.
5MV-9-10-4A 6/12/00 8:16 PM Page 11