Lubrication System
28 62 690 01 Rev. CKohlerEngines.com
This engine uses a full pressure lubrication system which delivers oil under pressure to crankshaft, camshaft,
connecting rod bearing surfaces, and hydraulic valve lifters.
A high-effi ciency gerotor oil pump maintains high oil fl ow and oil pressure, even at low speeds and high operating
temperatures. A pressure relief valve limits maximum pressure of system. Closure plate must be removed to service
oil pickup, pressure relief valve, and oil pump.
Oil Recommendations
We recommend use of Kohler oils for best performance.
Other high-quality detergent oils (including synthetic)
of API (American Petroleum Institute) service class SJ
or higher are acceptable. Select viscosity based on
air temperature at time of operation as shown in table
below.
Check Oil Level
NOTE: To prevent extensive engine wear or damage,
never run engine with oil level below or above
operating range indicator on dipstick.
Ensure engine is cool. Clean oil fi ll/dipstick areas of any
debris.
1. Remove dipstick; wipe oil off.
a. Press-in cap: reinsert dipstick into tube; press
completely down.
or
b. Thread-on cap: reinsert dipstick into tube; rest
cap on tube, do not thread cap onto tube.
2. Remove dipstick; check oil level. Level should be at
top of indicator on dipstick.
3. If oil is low on indicator, add oil up to top of indicator
mark.
4. Reinstall and secure dipstick.
A Oil Filter B Under Side C Top Side D Oil Cooler E Cylinder Shroud
F Oil Drain Plug G Oil Fill Cap H Dipstick I Pressure Switch
A
B
C
D
E
F
G
H
I
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