31/CARBURETOR
104
18.10
Assembling the carburetor (50 SX Junior)
300921-11
Alternative 1
–
Mount idle air adjusting screw
with the spring.
–
Set the idle air adjusting screw to the specified value.
Guideline
Idle air adjusting screw
Open
3.5 turns
Alternative 2
–
Set the idle air adjusting screw to the value determined when it was disassem-
bled.
300920-11
–
Mount the choke slide.
–
Mount and tighten screws
.
Guideline
Other screws, carburetor
M4
2 Nm (1.5 lbf ft)
300928-10
–
Position the needle jet in the carburetor.
300919-11
–
Mount and tighten cold start jet
.
Guideline
Cold start jet
M5
2 Nm (1.5 lbf ft)
–
Mount and tighten idling jet
.
Guideline
Idling jet
M4
1.5 Nm
(1.11 lbf ft)
–
Mount and tighten main jet
.
Guideline
Main jet
M6x0.75
3 Nm (2.2 lbf ft)
300918-11
–
Position the float needle valve and float
.
–
Mount fulcrum pin
.
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