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4
Figure 1. Location of Controls and Service Points on CS Engines.
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. Select the viscosity based on the air
temperature at the time of operation as shown in the
following 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.
A logo or symbol on oil containers identifies the API
service class and SAE viscosity grade. See Figure 3.
Fuel Tank Cap
Air Cleaner
Air Cleaner
Cover Retaining
Knob
Fuel Tank
Choke Lever
Fuel
Shut-Off
Retractable Starter
Throttle Lever
Oil Sentry
Light
On/Off Switch
(some models)
Muffler Shield
Muffler
Spark Plug
Carburetor
Oil Drain
Valve Cover
Oil Fill/
Check Plug
Synthetic oils should not be used.
Figure 2. Viscosity Grades Table.
Figure 3. Oil Container Logo.
Refer to “Maintenance Instructions” beginning on
page 8 for detailed oil check and oil change
procedures.