Kohler Aegis LH640 User Manual download pdf (Page 18)

Specifications

Model: .............................................................. LH630/LH640 ............ LH685/LH690 ............. LH755 .......................... LH775

Bore: ......................................... in. (mm) ....... 3.03 (77) ..................... 3.15 (80) ...................... 3.3 (83) ........................ 3.3 (83)

Stroke: ...................................... in. (mm) ....... 2.64 (67) ..................... 2.64 (67) ...................... 2.7 (69) ........................ 2.7 (69)

Displacement: ........................ in

(cm

) ....... 38.1 (624) ................... 41.1 (674) .................... 45.6 (748) .................... 45.6 (748)

Power (Max. @3600 RPM): .... HP (kW) ....... 22* (16.4)/24* (17.9) ... 25* (18.6)/26* (19.4) .... 28* (20.9) ..................... 31* (23.1)*

Compression Ratio: ...................................... 8.5:1 ............................ 8.5:1 ............................. 8.7:1 ............................. 8.7:1

Dry Weight: ................................ lb. (kg) ....... 114 (51.7) ................... 114 (51.7) .................... 114 (51.7) .................... 114 (51.7)

Coolant/Anti-Freeze: ...... U.S. qts. (L) ....... ----------- Equal Parts of Water and Ethylene Glycol 2.18 (2.0) -----------

Lubrication: ..................................................... ------------------------ Full Pressure w/full Flow Filter ----------------------------

Oil Capacity (w/filter) - approximate,

determined by oil filter used: ...................... ------------------------------ 1.6-1.8 L (1.7-1.9 U.S. qt.) -----------------------------------

Exhaust Emission Control System for models LH630, LH640, LH685, LH690, and LH755 is EM.

Exhaust Emission Control System for models LH775 is EM, O2S, ECM, MFI.

*Horsepower ratings exceed Society of Automotive Engineers Small Engine Test Code J1940. Actual engine horsepower is

lower and affected by, but not limited to, accessories (air cleaner, exhaust, charging, cooling, fuel pump, etc.), application,

engine speed and ambient operating conditions (temperature, humidity, and altitude). Kohler reserves the right to

change product specifications, designs and equipment without notice and without incurring obligation.

Storage

If the engine will be out of service for two months or

more, use the following storage procedure:

1. Clean the exterior surfaces of the radiator and

engine. On EFI engines, avoid spraying water at

the wiring harness or any of the electrical

components.

2. Change the oil and filter while the engine is still

warm from operation. See Change Oil and Filter

on page 9.

3. The coolant (anti-freeze) mixture should be in

good condition and tested to guard against

freezing in cold temperatures. The recommended

50/50 mixture will normally provide protection

down to temperatures of -37°C (-34°F). If storage

temperatures will fall below this, the cooling

system should be drained completely. A note

should then be attached to the equipment and/or

engine as a reminder to refill the cooling system

before starting.

4. The fuel system must be completely emptied, or

the gasoline must be treated with a stabilizer to

prevent deterioration. If you choose to use a

stabilizer, follow the manufacturers

recommendations, and add the correct amount

for the capacity of the fuel system. Fill the fuel

tank with clean, fresh gasoline. Run the engine for

2-3 minutes to get stabilized fuel into the

carburetor. Close fuel shut-off valve when unit is

being stored or transported.

To empty the system, run the engine until the

tank and system are empty.

5. Remove the spark plugs. Add one tablespoon of

engine oil into each spark plug hole. Install plugs,

but do not connect the plug leads. Crank the

engine two or three revolutions.

6. On units with EFI engines, disconnect the

negative (-) battery cable or use a "battery

minder" trickle charger while the unit is in

storage.

7. Store the engine in a clean, dry place.

Parts Ordering

The engine Specification, Model, and Serial Numbers

are required when ordering replacement parts from

your Kohler Engine Service Dealer. These numbers are

found on the identification plate which is affixed to

the engine shrouding. Include letter suffixes if there

are any. See Engine Identification Numbers on page 5.

Always insist on genuine Kohler parts. All genuine Kohler

parts meet strict standards for fit, reliability, and

performance.

Major Repair

Major repair information is available in Kohler Engine

Service Manuals. This type of repair generally

requires the services of a trained mechanic and the use

of special tools and equipment. Kohler Engine Service

Dealers have the facilities, training, and genuine

Kohler replacement parts necessary to perform this

service.

For the nearest Sales & Service location:

• visit our website www.kohlerengines.com

• call 1-800-544-2444 (U.S. & Canada)

• look in the yellow pages under Engines-Gasoline

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Kohler Aegis LH640 User Manual Page 18

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