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Maintenance Instructions
Maintenance, repair, or replacement of the emission control devices and systems, which are being done
at the customers expense, may be performed by any non-road engine repair establishment or individual.
Warranty repairs must be performed by an authorized Kohler service outlet.
WARNING: Accidental Starts!
Disabling engine. Accidental starting can cause severe injury or death. Before working on the engine or
equipment, disable the engine as follows: 1) Disconnect the spark plug lead(s). 2) Disconnect negative (-) battery
cable from battery.
Maintenance Schedule
These required maintenance procedures should be performed at the frequency stated in the table. They should
also be included as part of any seasonal tune-up.
Daily or Before
Starting Engine
Maintenance RequiredFrequency
• Fill fuel tank.
• Check oil level.
• Check air cleaner for dirty, loose, or damaged parts.
1
• Check air intake and cooling areas, clean as necessary.
1
• Check fuel hose for cracks or damage. Replace if necessary.
• Check exhaust system for leakage. Retighten or replace gasket if necessary.
2
• Check choke operation.
• Check retractable starter operation.
• Service precleaner element. Replace if necessary.
1
Every 25 Hours
Check Oil Level
The importance of checking and maintaining the proper
oil level in the crankcase cannot be overemphasized.
Check oil BEFORE EACH USE as follows:
1. Make sure the engine is stopped, level, and is
cool so the oil has had time to drain into the sump.
2. To keep dirt, debris, etc., out of the engine, clean
the area around the oil fill/check plug before
removing it.
3. Unthread and remove the oil fill/check plug.
4. The level should be up to but not over, the point of
overflowing the filler neck.
¹Perform these maintenance procedures more frequently under extremely dusty, dirty conditions.
²Have a Kohler Engine Service Dealer perform this service.
• Change oil.
• Replace air cleaner element.
1
• Remove cooling shrouds and clean cooling areas.
1
• Check all fittings and fasteners.
• Clean fuel valve shut-off filter. Replace if necessary.
• Check muffler screen/spark arrestor. Clean/replace if necessary.
• Check spark plug condition, adjust gap, and clean. Replace if necessary.
Every 100 Hours
• Check and adjust valve clearance when engine is cold.
2
• Check and adjust idle speed.
• Service starter motor drive, if so equipped.
2
• Check cooling fan for damage.
• Have combustion chamber decarbonized.
2
Annually or
Every 300 Hours
Figure 9. Location of Oil Drain and Check Plugs.
Oil Fill/
Check Plug
Oil Drain Plug