Engine
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| Engine Detail | |
| Engine | Briggs & Stratton 407777 |
| Fuel | gasoline |
| Cylinders | 2-cylinder |
| Cooling / layout | air-cooled vertical-shaft V-Twin |
| Displacement | 656 cc 40.03 ci |
| Bore/Stroke | 2.97x2.89 inches 75 x 73 mm |
| Power (gross) | 21.5 hp 16.0 kW |
| Starter | electric |
| Starter volts | 12 |
| Sparkplug | Champion RC12YC |
| Sparkplug gap | 0.030 inches 0.762 mm |
| Engine Oil | |
| Oil capacity | 2 qts 1.9 L |
| Oil change | 50 h |
| Craftsman 917.27245 Engine | |
| Photo credit | Image courtesy of Henry Peet |
Values may vary by engine, transmission or configuration. View source page