Lawn tractors Montgomery Ward

Montgomery Ward Twin 20 Engine

Montgomery Ward Twin 20
Montgomery Ward Twin 20

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)19.9 hp
14.8 kW
Air cleanerpaper element
Compression7:1
Rated RPM3600
Idle RPM1300-3850
Starterelectric
Starter volts12
Sparkplug
Champion H-8
Autolite AL5
Sparkplug gap0.025 inches
0.635 mm
Point gap0.020 inches
0.508 mm
Intake valve clearance0.007 inches (cold)
0.178 mm
Exhaust valve clearance0.016 inches (cold)
0.406 mm
Engine Oil
Oil capacity4 qts
3.8 L
Oil change100 h

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