Connect Spark Plug Leads
Connect leads to spark plugs.
Prepare Engine for Operation
Engine is now completely reassembled. Before starting
or operating engine, be sure to do following.
1. Make sure all hardware is tightened securely.
2. Make sure oil drain plugs, Oil Sentry
™
pressure
switch, and a new oil filter are installed.
3. Adjust carburetor idle speed adjusting screw as
necessary.
Testing Engine
It is recommended that engine be operated on a test
stand or bench prior to installation in piece of equipment.
1. Set engine up on a test stand. Install an oil pressure
gauge. Start engine and check to be certain that oil
pressure (20 psi or more) is present. Run engine at
idle for 2-3 minutes, then 5-6 minutes more between
idle and midrange. Adjust carburetor mixture settings
as necessary (as available).
2. Adjust idle speed screw and high-speed stop as
necessary. Make sure maximum engine speed does
not exceed 3750 RPM (no load).
Reassembly
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24 690 37 Rev. B
KohlerEngines.com
