Type:gasoline
Cooling:air-cooled vertical-shaft
Starter:electric
Cylinders:1-cylinder
Fuel tank:2.1 gal (7.9 L)
Point gap:0.012 inches (0.305 mm)
Air cleaner:cartridge
Bore/Stroke:3.57x3.06 inches (91 x 78 mm)
Displacement:499 cc (30.5 ci)
Engine model:Briggs & Stratton 31P677
Oil capacity:1.5 qts (1.4 L)
Power (gross):19.5 hp (14.5 kW)
Sparkplug gap:0.030 inches (0.762 mm)
Starter volts:12
Intake valve clearance:0.004 inches (0.102 mm)
Exhaust valve clearance:0.006 inches (0.152 mm)
Fuel tank (California model):2.4 gal (9.1 L)