Fuel System
4132 690 03 Rev. I KohlerEngines.com
Electronic Choke (eChoke
™
)
eChoke
™
is an integrated control system that checks ambient and engine temperatures and monitors engine speed.
This system is integrated through wiring to a master ignition/control module. Extended cranking (beyond 10 seconds)
is not necessary, nor will it improve engine starting.
Calculations and unique software routines developed specifi cally for this Kohler engine operate a carburetor choke
lever through an assembly (bracket, linkage) to control a stepper motor. Power and ground are supplied to master
control and ignition module (Cylinder 2) which provides a signal for stepper motor by way of a control harness that is
routed through cylinder #2 baffl e. An interconnection harness between two modules may exist (model dependent).
eChoke Components (Includes ignition due to integrated system)
● Master & slave ignition modules (with interface cables)
● Stepper motor
● Stepper motor bracket, linkage, and associated fasteners
● Wire harness (for power and ground)
eChoke
™
Components
C
A
B
D
G
F
E
D
M
K
J
I
H
L
A Precleaner B Paper Element C
Stepper Motor
Bracket and
Hardware
D Stepper Motor
E Air Cleaner Base F Carburetor G Intake Manifold H
Ignition Module
Lead #2 Cylinder
I
Ignition Module
Lead #1 Cylinder
J
Master Ignition
Module
K
Slave Ignition
Module
L
Red/Green Stripe to
Constant Battery B+
Power
M
Master Controller
Stepper Motor
Harness/Connector
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