Onan P216:gasoline, 2-cylinder, air-cooled horizontal-shaft horizontally-opposed
Engine options:16HP Onan 709cc 2-cyl gasoline; 16HP Briggs & Stratton 480cc 2-cyl gasoline
Onan P216 details:Displacement 709 cc (43.3 ci), Bore/Stroke 3.25x2.875 inches (83 x 73 mm), Power (gross) 16 hp (11.9 kW), Compression 6.5:1, Rated RPM 3600, Starter electric, Starter volts 12, Sparkplug Champion RS14YC, Sparkplug gap 0.025 inches (0.635 mm), Intake valve clearance 0.005 inches (cold) (0.127 mm), Exhaust valve clearance 0.013 inches (cold) (0.330 mm)
Briggs & Stratton 303777:gasoline, 2-cylinder, air-cooled
Briggs & Stratton 303777 details:Displacement 480 cc (29.3 ci), Bore/Stroke 2.677x2.60 inches (68 x 66 mm), Power (gross) 16 hp (11.9 kW), Rated RPM 3600, Starter electric, Starter volts 12, Sparkplug Champion RC12YC, Sparkplug gap 0.030 inches (0.762 mm)