Lawn tractors Simplicity

Simplicity 4041 Engine

Simplicity 4041
Simplicity 4041

Engine

Engine Detail
Engine Onan CCKB
Fuel gasoline
Cylinders 2-cylinder
Cooling / layout air-cooled horizontal-shaft opposed-twin
Displacement816 cc
49.8 ci
Bore/Stroke3.25x3.00 inches
83 x 76 mm
Power (gross)19.5 hp
14.5 kW
Air cleanerpaper element
Compression7:1
Rated RPM3600
Idle RPM1200-3850
Starterelectric
Starter volts12
SparkplugChampion H-8
Sparkplug gap0.025 inches
0.635 mm
Point gap0.020 inches
0.508 mm
Intake valve clearance0.007 inches
0.178 mm
Exhaust valve clearance0.016 inches
0.406 mm
Engine Oil
Oil capacity3.5 qts
3.3 L

Values may vary by engine, transmission or configuration. View source page