QP250ST-3 Engine type: Vertical , single cylinder, 4 stroke, manual single clutch Cooling: air cooling Start method: electric/ Hand pulled recoil starter Bore x Stroke (mm): 71X58mm Displacement (ml): 249.2ml Compression ratio:8.7:1 Max power (kw/r/min) : 11kw/6500r/min- 7500r/min Rated power: 10kw/6500r/min- 7500r/min Max torque (n.m/r/min): 15N.m/5500r/min-6500r/min Idle Speed(r/min): 1500r/min Lowest oil consume : <=354g/k.w.h Spark plug: CDI Clutch type: wet multi-chips Gearshift mode: 5 gears 1 N 2 3 4 5, outer reversed Fuel type: RQ-93 Lubrication: depress splash Break type (front / rear): drum / drum Brake distance : 30km/h<=7m Transmission : axle Axle base (mm): 1170mm+-20mm Tyre size(front / rear): 22x8-10; 22X11-10cm Climb degree: Max speed (km/h): 70km/h Fuel tank capacity: 12L Net weight : 225kgs Max load : 150kg Hub: alloy/casting steel Frame: steel welding Plastics: PP material or carbon fiber Fr.absorber : oil and air damping Rr.absorber : oil and air damping Battery specification: 12V14Ah Package dimension: 1960X1120X870mm