| 1. Engine type: 50cc/70cc/90cc/110cc, 4-stroke
2. Bore and stroke: 39 x 41.4/47 x 41.4/47 x 49.5/52.4 x 49.5
3. Compression ratio: 8.8:1
4. Max. torque: 4.2nm/5,000rpm, 4.2N.m/5,000rpm, 5.2N.m/5,000rpm, 5.5N.m/5,000rpm
5. Max. power: 3.0kW/8,500rpm, 3.0kW/7,500rpm, 3.3kW/7,500rpm, 3.6kW/7,500rpm
6. Ignition:... |