Workman GTX GasolinePage 3 - 2Gasoline Engine
General Information
This Chapter gives information about specifications,
maintenance, troubleshooting, testing and repair of the
single cylinder Kohler gasoline engines used in the
Workman GTX.
Operator’s Manual
The Operator’s Manual provides information regarding
the operation, general maintenance and maintenance
intervals for your Workman GTX vehicle. The Kohler
Owner’s Manual includes information specific to the en-
gine used in your Workman. Refer to these publications
for additional information when servicing the machine.
Kohler Command Pro Service Manual
General engine maintenance procedures are described
in your Operator’s Manual. Information on engine trou-
bleshooting, testing, disassembly and assembly is iden-
tified in either the KOHLER Command PRO
CH260- CH440 Service Manual for carbureted engines,
or the KOHLER Command PRO EFI ECH440 &
ECH440LE Service Manual for electronic fuel injected
(EFI) engines.
Most repairs and adjustments require tools which are
commonly available in many service shops. Special
tools are described in the KOHLER Service Manuals
and the use of some specialized test equipment is ex-
plained. The cost of the test equipment and the special-
ized nature of some repairs may dictate that engine
work be done at an engine repair facility.
Kohler Gasoline Engine
The engine that powers your Workman GTX vehicle is
either a Kohler model Command Pro CH440 carbureted
engine, or a ECH440 electronic fuel injected (EFI) en-
gine. Verify the engine used in your vehicle before ser-
vicing the vehicle.
Fuel injected engines feature an electronic control unit
(ECU) and an oxygen sensor incorporated into the ex-
haust system. The ECM receives information from nu-
merous engine sensors. The information provided
allows the engine ECM to monitor and control engine
operation for optimum engine performance.
Service and repair parts for Kohler engines are supplied
through your local Toro distributor. Be prepared to pro-
vide your distributor with both the Toro and Kohler model
and serial numbers.
Figure 4
(carbureted engine shown)
G247217
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