Type:gasoline, 2-cylinder, air-cooled
Starter:electric
Idle RPM:1200-3600
Fuel tank:4 gal (15.1 L)
Point gap:0.020 inches (0.508 mm)
Sparkplug:Champion RJ-8
Bore/Stroke:3.4375x2.156 inches (87 x 55 mm)
Fuel system:downdraft carburetor with integral fuel pump
Displacement:655 cc (40 ci)
Engine model:Briggs & Stratton 401417
Oil capacity:1.75 qts (1.7 L)
Power (gross):16 hp (11.9 kW)
Sparkplug gap:0.030 inches (0.762 mm)
Starter volts:12
Oil change interval:30 h
Intake valve clearance:0.006 inches (cold) (0.152 mm)
Exhaust valve clearance:0.008 inches (cold) (0.203 mm)