| Model | S160 | S200 | S210 | S240 | S270 | S390 | S420 | S460 |
| Engine type | Air-cooled 4 stroke OHV single cylinder | |||||||
| Bore*stroke(mm) | 68*45 | 68*54 | 70*54 | 73*58 | 77*58 | 88*64 | 90*66 | 92*70 |
| Displacement(cc) | 163 | 196 | 210 | 243 | 270 | 389 | 407 | 465 |
| Compression ratio | 8.5:1 | 8.5:1 | 8.5:1 | 8.2:1 | 8.2:1 | 8:01 | 8:01 | 8:01 |
| Max power output(HP/rpm) | 5.5/3600 | 6.5/3600 | 7.0/3600 | 8/3600 | 9/3600 | 13/3600 | 15/3600 | 16/3600 |
| Max torque(N/m) | 10.8 | 13.2 | 14 | 16 | 19.1 | 26.5 | 28 | 28 |
| Ignition system | Non-contact transistorized ignition(T.C.I) | |||||||
| Starting system | Recoil/Electric | |||||||
| Air cleaner | Semi-dry,oil bath,dual,double silent and cyclone type | |||||||
| Fuel tank(L) | 3.6 | 3.6 | 3.6 | 6 | 6 | 6.5 | 6.5 | 6.5 |
| Oil capacity(L) | 0.6 | 0.6 | 0.6 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 |
| Fuel consumption(g/kw-hour) | ≤395 | ≤374 | ||||||
| Dimension(L*W*H)mm | 390*340*365 | 490*395*465 | ||||||
| G.W/NW(kg) | 16/15 | 26/25 | 28/26 | 35/33 | 36/34 | 38/35 | ||