For one-barrel carburetor, correct fl oat height setting
is 22 mm (0.86 in.), measured from fl oat bottom to
body of carburetor. Adjust fl oat height by carefully
bending fl oat tab.
One-Barrel Carburetor Float Detail
B
A
A Float B Tab
When proper fl oat height is obtained, carefully
reinstall fuel bowl onto carburetor, using new a new
gasket. Secure with original screws. Torque screws
to 1.7 N·m (15 in. lb.).
27. Set idle mixture screws at midpoint of available
adjustment as a preliminary setting.
28. Use new mounting gaskets for air cleaner and
carburetor. Reinstall carburetor and disassembled
components following Reassembly procedures.
29. Reconnect spark plug leads and negative battery
cable. Start engine and perform Low Idle Speed
(RPM) Adjustment.
High Altitude Operation
If this engine is operated at an altitude of 4000 ft.
(1219 meters) or above, a high altitude carburetor
kit is required. To obtain high altitude carburetor kit
information or to fi nd a Kohler authorized dealer, visit
KohlerEngines.com or call 1-800-544-2444 (U.S. and
Canada).
This engine should be operated in its original
confi guration below 4000 ft. (1219 meters).
Operating this engine with the wrong engine
confi guration at a given altitude may increase its
emissions, decrease fuel effi ciency and performance,
and result in damage to the engine.
Fuel System
3124 690 06 Rev. O KohlerEngines.com
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