Release 00 - 11/2018
page 30
Engine WBE 170
Workshop Manual
11. AUTO-CHOKE SYSTEM
General information
The smart starter system (AUTO-CHOKE System) is a mechanism sensitive to temperature variation that adjusts
the starter’s throttle valve, ensuring immediate and proper starting and operating of the engine automatically.
The AUTO-CHOKE system assembled on the exhaust unit employs a lever connected to the adjusting pin
of the second throttle valve.
See the relevant section [
17] for advice on resolving problems related to the AUTO-CHOKE system.
11.1. Replacing of the AUTO-CHOKE system
1 - Remove the cover.
2 - Remove the spark plug to facilitate the opera-
tions.
3 - Remove the lter unit [
8.1] and the tie
rod (1) of the AUTO-CHOKE lever by releasing the
locking clip (2).
4 - Loosen the two screws (3) and replace the AUTO-
CHOKE system.
5 - Perform the above operations in reverse order
when assembling.
NOTE:
1 - Cold engine: Closed throttle valve.
2 - Hot engine: Open throttle valve.
Tightening torques
3 Fixing screw AUTO-CHOKE 5-7 Nm
1 2
3
2
1
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