Specifications

MODEL

 

AIR COOLED

LIQUID COOLED

 

 

MT (23.0 HP)

MTL (25.0 HP)

 

 

MTEFI (26.0 HP)

MTLEFI (31.0 HP)

ENGINE

 

Kohler Command Pro®

Kohler AegisTM LH685, 2 Cyl.,

Manufacturer/Model

 

 

CH23, 2 Cyl., Gasoline

Gasoline (Liquid-Cooled)

 

 

(Air-Cooled)

 

 

 

Kohler Command Pro®

Kohler AegisTM LH775, 2 Cyl.,

 

 

CH26, 2 Cyl., Gasoline (Air-

Gasoline (Liquid-Cooled),

 

 

Cooled), Electronic Fuel

Electronic Fuel Injection (EFI)

 

 

Injection (EFI)

 

Displacement

CH23/CH680

41.1 cu. in. (674 cc)

 

Displacement

CH26/CH735

44.0 cu. in. (721 cc)

41.1 cu. in. (674 cc)

Displacement

LH685

 

Displacement

LH775

 

45.6 cu. in. (748 cc)

HP (@ 3600 RPM) CH23/CH680

23.0

 

HP (@ 3600 RPM) CH26/CH735

26.0

25.0

HP (@ 3600 RPM)

LH685

 

HP (@ 3600 RPM)

LH775

 

31.0

Max. RPM (No Load)

3750

3750

Governed RPM

 

3600

3600

Max. Torque [ft-lb (N·m) @ RPM]

 

 

 

CH23/CH680

37.9 (51.4) @ 2400

 

CH26/CH735

41.6 (56.4) @ 2700

 

LH685

 

 

LH775

 

Idle RPM

 

1200 ± 75

Spark Plug Type

 

Champion® RC12YC

Spark Plug Gap

 

.030 in. (.76 mm)

Crankcase Capacity

1.7 qts (1.6 liters)

Crankcase Lubricant

API SG, SH, SJ or higher

 

 

Grade Oil Only with 10W-30

 

 

Viscosity above 0° F (-18° C),

 

 

or 5W-20 or 5W-30 Viscosity

 

 

below 32° F (0° C)

Oil Filter

 

12 050 01 S

Cooling System

CH23/CH680

Air-Cooled

Cooling System

CH26/CH735

Air-Cooled

Cooling System

LH685

 

 

LH775

 

Cooling System Capacity

 

(Approx.)

LH685/LH775

 

Coolant

35.9(48.7) @ 2200

45.4(61.6) @ 2400

1200 ± 75

Champion® RC14YC

.030 in. (.76 mm)

1.7 qts (1.6 liters)

API SG, SH, SJ or higher Grade Oil Only with 10W-30 Viscosity above 0° F (-18° C), or 5W-20 or 5W-30 Viscosity below 32° F (0° C)

12 050 01 S

Liquid-Cooled

Liquid-Cooled

1.25 Gallons (4.73 liters)

50/50 Pre-Mix Anti-freeze/ water

Cooling Fan

 

Electric radiator cooling fan

 

 

with reversible self-cleaning

 

 

action

Fuel Tank Capacity

5 Gallons (19.0 liters)

5 Gallons (19.0 liters)

Fuel

Regular Grade Unleaded

Regular Grade Unleaded

 

Gasoline (87 Octane)

Gasoline (87 Octane)

3