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31/CARBURETOR
Assembling the carburetor
21.21
–
Mount and tighten idle air jet
Guideline
Idle air jet
301559-11
–
Mount and tighten choke slide
Guideline
Choke slide
–
Position throttle position sensor
but do not tighten yet.
Info
When installing the throttle position sensor, ensure that the flat area of the
301558-11
inner clutch hub engages in the recess of the throttle position sensor.
–
Position the hose connection. Mount and tighten screw
Guideline
Screw, hose connection
Info
The hose connection must be easy to turn when it is mounted.
301557-11
–
Screw in the mixture control screw
way.
Guideline
Mixture control screw
–
Screw in the mixture control screw
disassemble it, or adjust it to the specified basic setting.
Guideline
Idle mixture adjusting screw
301555-11
Open
Info
The mixture control screw may be open a maximum of 2 turns. If more than
two turns are necessary (rich mixture), use a larger idling jet.
–
Position buffer plate
idling jet
Guideline
Needle jet
Cold start jet
Idling jet
.
.
. Mount screw
M4
with the spring, washer, and O-ring all the
by the number of turns that were required to
. Mount and tighten needle jet
.
M4.5x0.75
2 Nm (1.5 lbf ft)
M12
2.5 Nm
(1.84 lbf ft)
with the spring ring and washer
.
2 Nm
Loctite
®
(1.5 lbf ft)
M6x0.5
1 Nm (0.7 lbf ft)
1.5 turns
, cold start jet
M7x0.75
3.5 Nm
(2.58 lbf ft)
M5x0.75
2 Nm (1.5 lbf ft)
M6x0.75
2 Nm (1.5 lbf ft)
175
243™
and
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