| Model Number | FSH154F | FSH168FA | FSH168FB | FSH170F |
| Engine Type | Air Cooled,4 Stroke,OHV Gasoline,Single Cylinder | Air Cooled,4 Stroke,OHV Gasoline,Single Cylinder | Air Cooled,4 Stroke,OHV Gasoline,Single Cylinder | Air Cooled,4 Stroke,OHV Gasoline,Single Cylinder |
| Displacement (CC) | 118cc | 163cc | 196cc | 208CC |
| Engine Speed (RPM) | 3600 | 3600 | 3600 | 3600 |
| Bore*Stroke | 56*40 | 68*54 | 68*54 | 70*54 |
| Compression Ratio | 7:0:1 | 8.5:1 | 8.5:1 | 8.5:1 |
| Max Power(kw) | 1.4 | 3.0 | 3.7 | 4.0 |
| Max Torque() | 4.5 | 8.6 | 10.1 | 11.2 |
| Fuel Consumption | 410/ | 395/ | 395/ | 395/ |
| Recommmended Fuel | 90# octane gasoline | 90# octane gasoline | 90# octane gasoline | 90# octane gasoline |
| Recommmended oil | SAE 10W-40 | SAE 10W-40 | SAE 10W-40 | SAE 10W-40 |
| oil capacity | 0.4L | 0.6L | 0.6L | 0.6L |
| Fuel Tank Capacity | 1.6L | 3.6L | 3.6L | 3.6L |
| Starting System | Handle Recoil start (Electric start optional) | Handle Recoil start (Electric start optional) | Handle Recoil start (Electric start optional) | Handle Recoil start(Electric start optional) |
| Ignition System | Transistor electronic ignition | Transistor electronic ignition | Transistor electronic ignition | Transistor electronic ignition |
| Lubrication System | Splash lubrication (Disc valve carburetor) | Splash lubrication (Disc valve carburetor) | Splash lubrication (Disc valve carburetor) | Splash lubrication |
| Carburetor | Horizontal disc valve carburetor | Horizontal disc valve carburetor | Horizontal disc valve carburetor | Horizontal disc valve carburetor |
| Max .Power Output (HP) | 4HP | 5.5HP | 6.5HP | 7HP |
| Operating Noise Level (dB) | 58dB | 58dB | 58dB | 58dB |
| Engine oil level warning alarm | Y | Y | Y | Y |
| Electric start and Battery | Handle | optional | Optional | Optional |