Engine
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| Engine Detail | |
| Engine | Briggs & Stratton 31C707 |
| Fuel | gasoline |
| Cylinders | 1-cylinder |
| Cooling / layout | air-cooled vertical-shaft |
| Displacement | 501 cc 30.6 ci |
| Bore/Stroke | 3.57x3.06 inches 91 x 78 mm |
| Power (gross) | 17.5 hp 13.0 kW |
| Starter | electric |
| Starter volts | 12 |
| Sparkplug | Champion RC12YC |
| Sparkplug gap | 0.030 inches 0.762 mm |
| Engine Oil | |
| Oil capacity | 1.75 qts 1.7 L |
| Oil change | 50 h |
Values may vary by engine, transmission or configuration. View source page