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Figure 1. Typical Kohler Aegis
®
Carbureted Engine.
Oil Recommendations
Using the proper type and weight of oil in the
crankcase is extremely important. So is checking oil
daily and changing oil regularly. Failure to use the
correct oil, or using dirty oil, causes premature engine
wear and failure.
Oil Type
Use high quality detergent oil of API (American
Petroleum Institute) service class SG, SH, SJ or higher.
Synthetic oils may be used. Select the viscosity based
on the air temperature at the time of operation as
shown in the following table.
Heavy-Duty Air Cleaner
Spark
Plug
Oil Filter
Oil Drain Plug
Radiator
Reservoir
Rectifier-
Regulator
Spark Plug
Electric Starter
Dipstick
Oil Drain Plug
Oil Fill
Cap
ECU
Ignition Coil
Fuse Holders
Wire Harness
Figure 2. Typical Kohler Aegis
®
EFI Engine.
Fuel Injector
Reservoir
Radiator
Heavy-Duty Air Cleaner
Figure 3. Viscosity Grades Table.
NOTE: Using other than service class SG, SH, SJ or
higher oil or extending oil change intervals
longer than recommended can cause engine
damage.
*Use of synthetic oil having 5W-20 or 5W-30 rating is
acceptable, up to 4°C (40°F).
**Synthetic oils will provide better starting in extreme cold
below 23°C (-10°F).
*
**