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Home / Small Engines / Kohler Engines / Kohler CV15S

Kohler CV15S Maintenance

Engine Model: Kohler Command CV15S

Engine Type: 4-cycle 1-cylinder air-cooled gasoline engine

Total Displacement: 26 cu.in (426 cc)

Rated Engine Power: 15.0 Hp (11.2 kW) at 3600 rpm

Carburetor Type: Float with fixed main jet

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Engine Oil and Filters

Engine Oil Type (Summer Time) .............. SAE 10W-30
Engine Oil Type (Winter Time) .............. SAE 5W-20, 5W-30
Oil Classification (API) .............. SG, SH, SJ, or higher
Oil Capacity, L (qts) .............. 1.9 (2.0)
Oil Filter Part Number .............. 52 050 02-S or 12 050 01-S
Fuel Filter Part Number .............. 25 050 21-S
Air Filter Element Part Number (Std) .............. 12 083 05-S
Air Filter Pre-Cleaner Part Number (Std) .............. 12 083 08-S
Air Filter Element Part Number (Tall) .............. 12 083 10-S
Air Filter Pre-Cleaner Part Number (Tall) .............. 12 083 12-S

Ignition System

Spark Plug Type .............. Champion RC12YC
Spark Plug Thread Size, mm (in) .............. 14 (0.55)
Spark Plug Gap, mm (in) .............. 1.02 (0.040)
Module Air Gap, mm (in) .............. 0.20-0.30 (0.0078-0.0118)
Spark Plug Torque, Nm (ft-lb) .............. 27 (20)

Carburetor Adjustments

Main Fuel .............. Not adjustable
Idle Fuel .............. 1 full turn
Low Idle Speed, rpm .............. 1200±75
High Idle Speed, rpm .............. 3600±50

Service Intervals

Check Engine Oil Level .............. Every 10 hours
Service Air Pre-Cleaner .............. Every 25 hours
Replace Air Cleaner Element .............. Every 100 hours
Change Engine Oil .............. Every 100 hours
Clean Cooling Areas .............. Every 100 hours
Change Oil Filter .............. Every 200 hours
Check Spark Plug Gap .............. Every 200 hours
Replace Fuel Filter .............. Every 200 hours
Check Carburetor Adjustment .............. Every 200 hours
Check and Adjust Valve Clearance .............. Every 300 hours
Replace Spark Plug .............. Every 300 hours

Tightening Torques

Cylinder Head .............. 20, 40.7 Nm (15, 30 ft-lb)
Connecting Rod .............. 14.7 Nm (10.9 ft-lb)
Fuel Bowl Retaining Screw .............. 5.1-6.2 Nm (3.8-4.6 ft-lb)
Starter Mounting Screw .............. 15.3 Nm (11.2 ft-lb)
Flywheel Retaining Screw .............. 66.4 Nm (49 ft-lb)
Fuel Pump .............. 9.0 Nm (6.7 ft-lb)
Spark Plug .............. 24.4-29.8 Nm (18-22 ft-lb)
Ignition Module .............. 6.2 Nm (4.6 ft-lb)
Oil Filter .............. 10.4-12.7 Nm (7.7-9.4 ft-lb)
Oil Pan .............. 24.4 Nm (18 ft-lb)
Oil Pump Cover .............. 6.2 Nm (4.6 ft-lb)
Governor Control Lever .............. 9.9 Nm (7.3 ft-lb)
Valve Cover .............. 10.7 Nm (7.8 ft-lb)
Rocker Arm Screw .............. 11.3 Nm (8.4 ft-lb)
Muffler Retaining Nuts .............. 24.4 Nm (18 ft-lb)

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