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| Home / Engines / Kohler Engines / Kohler SV540S |
Kohler Courage SV540S Maintenance
| Engine Model: Kohler Courage SV540S |
| Engine Type: 4-cycle 1-cylinder vertical shaft air-cooled gasoline engine |
| Total Displacement: 32.6 cu.in (535 cc) |
| Rated Engine Power: 18 Hp (13.4 kW) at 3600 rpm |
| Fuel System: Walbro carburetor with fixed main jet |
| 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 Service SG, SH, SJ, or higher
Oil Capacity, L (qts) .............. 1.5 (1.6)
Air Filter Element Part Number .............. 20 083 06-S
Air Filter Pre-Cleaner Part Number .............. 20 083 04-S
Engine Oil Filter Part Number .............. 52 050 02-S
Engine Fuel Filter Part Number .............. 25 050 21-S
| Carburetor Adjustments |
Main Fuel .............. Not adjustable
Idle Fuel .............. Adjust by needle and spring with limiter cap
Low Idle Speed, rpm .............. 1500±75
High Idle Speed, rpm .............. 3600±50
| Ignition System |
Spark Plug Type .............. Champion RC12YC or QC12YC
Spark Plug Gap, mm (in) .............. 0.76 (0.030)
Module Air Gap, mm (in) .............. 0.203-0.305 (0.008-0.012)
Thread Size, mm (in) .............. 14 (0.55)
Reach, mm (in) .............. 19.1 (0.75)
Spark Plug Torque, Nm (ft-lb) .............. 24-30 (18-22)
| Service Intervals |
Service Precleaner Element .............. Every 25 hours
Replace Air Cleaner Element .............. Every 100 hours
Change Engine Oil .............. Every 100 hours
Change Oil Filter .............. Every 100 hours
Clean Cooling Areas .............. Every 100 hours
Replace Fuel Filter .............. Every 100 hours
Check Carburetor Adjustment .............. Every 100 hours
Check Spark Plug Gap .............. Every 200 hours
Replace Spark Plug .............. Every 400 hours
Check and Adjust Valve Clearance .............. Every 400 hours
| Tightening Torque Specs |
Cylinder Head .............. 20.5-41.0 Nm (15-30 ft-lb)
Rocker Arm Pivot Stud .............. 13.5 Nm (10 ft-lb)
Rocker Arm Adjustment Nut Set Screw .............. 5.5 Nm (4.2 ft-lb)
Flywheel Retaining Screw .............. 66.5 Nm (49 ft-lb)
Connecting Rod Cap .............. 11.5 Nm (8.5 ft-lb)
Cam Lever .............. 7.5 Nm (5.4 ft-lb)
Oil Drain Plug .............. 14.0 Nm (10.4 ft-lb)
Fuel Bowl Retaining Screw Torque .............. 5.1-6.2 Nm (3.8-4.6 ft-lb)
Balance Weight Screw .............. 10.0 Nm (7.5 ft-lb)
Air Cleaner Base Mounting Screw .............. 8.0 Nm (5.8 ft-lb)
Electric Starter Mounting Nut .............. 3.6 Nm (2.7 ft-lb)
Ignition Module .............. 6.0 Nm (4.5 ft-lb)
Muffler Retaining Nuts .............. 24.4 Nm (18 ft-lb)
Oil Filter .............. 10-13 Nm (7.5-10.1 ft-lb)
Oil Pump Mounting Screw .............. 4.0 Nm (2.9 ft-lb)
Rectifier-Regulator Mounting Screw .............. 6.0 Nm (4.5 ft-lb)
Speed Control Bracket Assembly .............. 11.0 Nm (8.2 ft-lb)
Governor Control Lever .............. 7.0-8.5 Nm (5.2-6.3 ft-lb)
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