Kohler SV480 Specifications
| Engine Model: Kohler Courage SV480 |
| Engine Type: 4-cycle single-cylinder vertical shaft air-cooled gasoline |
| Total Displacement: 36.4 cu.in (597 cc) |
| Rated Engine Power: 16 Hp (11.9 kW) at 3600 rpm |
| Carburetor Type: Fixed main jet |
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Engine Model ................... Kohler Courage SV480
Engine Type ................... Single-cylinder vertical shaft air-cooled gasoline
Number of Cylinders ................... 1
Displacement, cc (cu.in) ................... 597 (36.4)
Cylinder Bore, mm (in) ................... 94.0 (3.70)
Piston Stroke, mm (in) ................... 86.0 (3.38)
Rated Engine Power, hp (kW) ................... 16.0 (11.9)
Rated Engine Speed, rpm ................... 3600
Maximum Torque, Nm (ft-lbs) ................... 37.8 (27.9)
Torque Speed, rpm ................... 2800
Compression Ratio ................... 8.5:1
Lubrication System ................... Full pressure
Oil Filter Type ................... Full-flow
Air Cleaner Type ................... Replaceable, paper element
Oil Capacity, L (qts) ................... 1.5 (1.6)
Electrical System Rating, Volts ................... 12
Starter Type ................... Electric
Battery Rating ................... 12V, 400 CCA
Fuel System Type ................... Carburetor
Carburetor Model ................... Walbro
Carburetor Type ................... Fixed main jet
Fuel Pump Type................... Pulse
Fuel Filter Type ................... In-line
Governor Type ................... Mechanical
Overall Length, mm (in) ................... 493 (19.4)
Overall Width, mm (in) ................... 417 (16.4)
Overall Height, mm (in) ................... 328 (12.9)
Net Weight, kg (lbs) ................... 35.8 (79)
Cylinder Bore I.D (Standard) ................... 94.010-94.035 mm (3.701-3.702 in)
Cylinder Bore I.D (Wear Limit) ................... 94.073 mm (3.704 in)
Cylinder Bore (Max Taper) ................... 0.05 mm (0.002 in)
Cylinder Bore (Max Out of Round) ................... 0.12 mm (0.0047 in)
Crankshaft End Play (Free) ................... 0.225-1.025 mm (0.0089-0.040 in)
Crankshaft Bore I.D (Crankcase) ................... 41.965-41.990 mm (1.6521-1.6531 in)
Crankshaft Bore I.D (Closure Plate) ................... 44.965-44.990 mm (1.7703-1.7713 in)
Crankshaft Bearing Journal O.D (Flywheel) ................... 44.913-44.935 mm (1.7682-1.7691 in)
Crankshaft Bearing Journal Max Taper (Flywheel) ................... 0.0220 mm (0.0009 in)
Crankshaft Bearing Journal Max Out of Round (Flywheel) ................... 0.025 mm (0.001 in)
Crankshaft Bearing Journal O.D (PTO) ................... 41.913-41.935 mm (1.6501-1.6510 in)
Crankshaft Bearing Journal MaxTaper (PTO) ................... 0.020 mm (0.0008 in)
Crankshaft Bearing Journal Max Out of Round (PTO) ................... 0.025 mm (0.001 in)
Crankshaft Bore Clearance (Closure Plate) ................... 0.03-0.077 mm (0.0012-0.003 in)
Crankshaft Bore Clearance (Crankcase) ................... 0.03-0.077 mm (0.0012-0.003 in)
Crankshaft T.I.R (PTO End, Crankshaft in Engine) ................... 0.15 mm (0.0059 in)
Crankshaft T.I.R (Entire Crankshaft, in V-Blocks) ................... 0.10 mm (0.0039 in)
Crankshaft Eccentrics O.D ................... 66.940-66.970 mm (2.6354-2.6366 in)
Balance Weight Bearing Surface I.D ................... 67.011-67.086 mm (2.6382-2.6412 in)
Connecting Rod to Crankpin Clearance ................... 0.03-0.055 mm (0.0012-0.0022 in)
Connecting Rod to Crankpin Side Clearance ................... 0.25-0.59 mm (0.0098-0.0232 in)
Connecting Rod to Piston Pin Clearance ................... 0.015-0.028 mm (0.0006-0.0011 in)
Connecting Rod Journal O.D ................... 40.982-41.000 mm (1.6134-1.6141 in)
Connecting Rod Journal Max Taper ................... 0.012 mm (0.0005 in)
Connecting Rod Journal Max Out of Round ................... 0.025 mm (0.001 in)
Cylinder Head (Max Out of Flatness) ................... 0.8 mm (0.003 in)
Intake Valve Lash ................... 0.127 mm (0.005 in)
Exhaust Valve Lash ................... 0.178 mm (0.007 in)
Intake Valve Minimum Lift ................... 8.9 mm (0.350 in)
Exhaust Valve Minimum Lift ................... 8.9 mm (0.350 in)
Valve Face Angle ................... 45 degrees
Valve Seat Angle ................... 89 degrees
Intake Valve Stem to Guide Clearance ................... 0.038-0.076 mm (0.0015-0.003 in)
Exhaust Valve Stem to Guide Clearance ................... 0.050-0.88 mm (0.0020-0.0035 in)
Intake Valve Guide I.D ................... 6.038-6.058 mm (0.2377-0.2385 in)
Exhaust Valve Guide I.D ................... 6.038-6.058 mm (0.2377-0.2385 in)
Intake Valve Stem Diameter ................... 5.982-6.0 mm (0.2355-0.2362 in)
Exhaust Valve Stem Diameter ................... 5.970-5.988 mm (0.235-0.2357 in)
Intake Valve Head Diameter ................... 37.625-37.375 mm (1.4813-1.4715 in)
Exhaust Valve Head Diameter ................... 32.125-32.375 mm (1.2647-1.2746 in)
Camshaft Gears End Play ................... 0.5-1.5 mm (0.019-0.059 in)
Camshaft Gears Running Side Clearance ................... 0.02-0.13 mm (0.001-0.005 in)
Camshaft Gear to Camshaft Running Assembly ................... 0.02-0.10 mm (0.001-0.004 in)
Piston Pin Bore I.D ................... 22.006-22.012 mm (0.8685-0.8666 in)
Piston Pin O.D ................... 21.995-22.0 mm (0.8659-0.8661 in)
Piston Pin End I.D ................... 22.015-22.023 mm (0.8667-0.8670 in)
Top Ring Groove Clearance ................... 0.04 mm (0.0016 in)
Second Ring Groove Clearance ................... 0.04 mm (0.0016 in)
Top Ring End Gap ................... 0.15-0.40 mm (0.006-0.016 in)
Second Ring End Gap ................... 0.30-0.55 mm (0.012-0.022 in)
Piston O.D ................... 93.928-93.942 mm (3.6980-3.6985 in)
Piston to Cylinder Bore Clearance ................... 0.0875 mm (0.0034 in)
Engine Oil Type (Summer) ................... SAE 10W-30
Engine Oil Type (Winter) ................... SAE 5W-20, 5W-30
Oil Classification (API Service) ................... SG, SH, SJ or higher
Oil Capacity (without Filter), L (qts) ................... 1.4 (1.5)
Oil Capacity (with Filter), L (qts) ................... 1.5 (1.6)
Oil Filter Part Number .............. 52 050 02-S or 12 050 01-S
Fuel Filter Part Number .............. 25 050 22-S
Air Filter Element Part Number .............. 20 083 06-S
Air Filter Pre-Cleaner Part Number .............. 20 083 04-S
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)
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
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 200 hours
Check Spark Plug Gap ................... Every 200 hours
Replace Spark Plug ................... Every 500 hours
Check and Adjust Valve Lash ................... Every 500 hours
Cylinder Head Bolt ................... 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)
Camshaft Lever ................... 7.5 Nm (5.4 ft-lb)
Oil Drain Plug ................... 14.0 Nm (10.4 ft-lb)
Fuel Bowl Retaining Screw ................... 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)
Spark Plug, Nm (ft-lb) ................... 24-30 (18-22)
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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