| Main Performance Features | ||
| SN | Items | Description |
| 1 | Dual-Modulus Main & Counter Shaft |
Adopts dual-modulus gear teeth to improve gear strength and impact resistance, extending service life. |
| 2 | High-Temperature Resistant Exhaust Valve |
Made of 61Cr21Mn10Mo1V1Nb1N high-temperature resistant material with excellent thermal stability. |
| 3 | Micro-Arc Oxidation Piston |
Adopts micro-arc oxidation piston with two or more rings. It has heat insulation function to prevent piston crown burnout and piston ring seizure. |
| 4 | High-Quality Piston Rings |
Dual DLC coated piston rings feature great wear resistance and long service life, effectively mitigating oil burning. |
| 5 | Optimized Air Passage Design |
Optimized airway design improves gas mixing for more complete combustion, greatly reduces fuel consumption, and achieves the power characteristic of high torque at low speed. |
| Main Technical Specifications | ||
| SN | Parameter | Value |
| 1 | Engine Model | 167FMM |
| 2 | Engine Common Name | CG250 Air‑Cooled |
| 3 | Engine Type | Single‑cylinder,4‑stroke,air‑cooled,manual clutch |
| 4 | Displacement | 250 ml |
| 5 | Max. Power | 11.5 kW /7000 r/min |
| 6 | Max. Torque | 16.5 N·m /6000 r/min |
| 7 | Compression Ratio | 9.2:1 |
| 8 | Bore × Stroke | 67 mm ×65 mm |
| 9 | Ignition Method | CDI |
| 10 | Lubrication Mode | Pressure and Splash |
| 11 | Min. Fuel Consumption | ≤354 g/kW·h |
| 12 | Starting Method | Electric / Kick start |
| 13 | Clutch | Manual Wet Multi‑Plate |
| 14 | Gearshift | Constant‑mesh two‑stage transmission,5‑speed; Optional primary gear‑ratio:70/21,73/18 |
| 15 | Package Size | 380 ×350 ×500 |
| 16 | Package Weight | |
