Walker Model MTLEFI Manuale Utente

Specifications

MODEL

AIR COOLED
MT (23.0 HP)
MTEFI (26.0 HP)

LIQUID COOLED
MTL (25.0 HP)
MTLEFI (31.0 HP)

ENGINE

Manufacturer/Model

Kohler Command Pro



CH23, 2 Cyl., Gasoline
(Air-Cooled)

Kohler Aegis

LH685, 2 Cyl.,

Gasoline (Liquid-Cooled)

Kohler Command Pro



CH26, 2 Cyl., Gasoline (Air-
Cooled), Electronic Fuel
Injection (EFI)

Kohler Aegis

LH775, 2 Cyl.,

Gasoline (Liquid-Cooled),
Electronic Fuel Injection (EFI)

Displacement

CH23/CH680

41.1 cu. in. (674 cc)

Displacement

CH26/CH735

44.0 cu. in. (721 cc)

Displacement

LH685

41.1 cu. in. (674 cc)

Displacement

LH775

45.6 cu. in. (748 cc)

HP (@ 3600 RPM) CH23/CH680

23.0

HP (@ 3600 RPM) CH26/CH735

26.0

HP (@ 3600 RPM)

LH685

25.0

HP (@ 3600 RPM)

LH775

31.0

Max. RPM (No Load)

3750

Governed RPM

3600

Max. Torque [ft-lb (N

m) @ RPM]

CH23/CH680

37.9 (51.4) @ 2400

CH26/CH735

41.6 (56.4) @ 2700

LH685

35.9 (48.7) @ 2200

LH775

45.4 (61.6) @ 2400

Idle RPM

1200

 75

1200

 75

Spark Plug Type

Champion



RC12YC

Champion



RC14YC

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)

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

Liquid-Cooled
Liquid-Cooled

1.25 Gallons (4.73 liters)

Coolant

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)

Fuel

Regular Grade Unleaded
Gasoline (87 Octane)