YX 140cc Engine Electri

1:   
MODEL:  4-stroke, oil-cooler,
single cylinder, manual clutch, horizontal

2:    Bore*stroke:    56*57

3:    Cylinder capacity: 140ml  alloy cylinder

4:    Power/torque: ≥7.0kw /8500±500r/min

5:    Net maximum torque: ≥9.7N.m /5500±500r/min

6:    Mini fuel consumption: ≤354g/KW.h

7:    Ignition advanced angle:  15°±2°

8:    Valve gap(mm):        0.05±0.02

9:    Fuel mark:        above 90#   GB 484-89

10:   Engine oil mark :   SAEAPI 15W/40-SF

11:   Engine oil consumption : 8g/KW.h

12:   Transmission ratio :   elementary: 3.722(18/67)
                   1 gear : 3.272(11/36)     2 gear: 1.937(16/31)
                   3 gear : 1.350(20/27)     4gear : 1.043(23/24)

13:   spark plug size :      A7 TC

14:   spark plug gap:       0.6-0.7
16:   Ignition method:     CDI

17:   Clutch model      multi-plate    manual clutch

18:   Air filter model :    sponge air filter

19:   Lubricating system:  pressure splash

20:   Engine oil capacity:  1.0L

21:   Start method:      kick /electri start ( start any gear)

22:   Size:        
435*285*235
23:   N.W:     
20±1KG