SPECIFICATIONS
| Item | DF2.5 |
|---|---|
| Engine Type | 4 Stroke |
| Number of Cylinders | 1 |
| Bore and Stroke | 48.0 × 38.0 mm (1.89 × 1.50 in.) |
| Piston Displacement | 68 cm3 (4.1 cu. in.) |
| Maximum output | 1.8 kW (2.5PS) |
| Full Throttle Operating Range | 5250 – 5750 r/min. (min–1) |
| Idle speed (in Neutral) | 1900 ± 100 r/min. (min–1) |
| Ignition System | Digital CDI |
| Engine Lubrication | Trochoid pump lubrication |
| Engine Oil Capacity | 0.38 L (0.40/0.33 US/Imp. qt.) |
| Built-in Fuel Tank Capacity | 1.0 L (0.26/0.22 US/Imp. gal.) |
| Spark Plug | NGK CR6HSA |
| Spark Plug Gap | 0.6 – 0.7 mm (0.024 – 0.028 in.) |
| Valve Lash | IN. : 0.13 – 0.17 mm (0.006 – 0.007 in.) EX.: 0.13 – 0.17 mm (0.006 – 0.007 in.) |
| Fuel Type | Alcohol-free unleaded gasoline |
| Minimum Fuel Octane Rating | 87 Pump ((R+M)/2 method) |
Power rated in accordance with NMMA procedure.