Engine
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| Engine Detail | |
| Engine | Briggs & Stratton 422437 |
| Fuel | gasoline |
| Cylinders | 2-cylinder |
| Cooling / layout | air-cooled opposed-twin |
| Displacement | 693 cc 42.33 ci |
| Bore/Stroke | 3.44x2.28 inches 87 x 58 mm |
| Power (gross) | 18 hp 13.4 kW |
| Rated RPM | 3600 |
| Torque | 27.8 lb-ft 37.7 Nm |
| Torque RPM | 2700 |
| Starter | electric |
| Starter volts | 12 |
| Sparkplug gap | 0.030 inches 0.762 mm |
| Engine Oil | |
| Oil capacity | 1.5 qts 1.4 L |
| Oil change | 25 h |
Values may vary by engine, transmission or configuration. View source page