YX 150cc Engine

1 Bore&stroke : 60X53mm 　 　 　
2 Cylinder capacity : 149.8ml 　 　 　
3 Compression ratio: 9.2:1 　 　 　
4 Power/torque: ≥16HP/9500±500r/min 　
5 Maximum torque: ≥11N.m/5500±500r/min 　
6 Mini fuel consumption: ≤354g/KW.h 　 　
7 Ignition advanced angle: 15?#177;2?　 　 　
8 Valve gap(mm): 0.05±0.02mm 　 　
9 Fuel mark: above 90＃ GB484-89 　
10 Engine oil mark : SAE API 15W/40-SF 　 　
11 Oil consumption : 8g/KW.h 　 　 　
12 Transmission ratio : 　 　 　 　
Elementary: 3.722(18/67) 　 　 　
　 First gear: 3.272(11/36) Second gear: 1.937(16/31)
Third gear: 1.350(20/27) Forth gear : 1.043(23/24)
13 Spark plug size : A7TC 　 　 　
14 Spark plug gap: 0.6-0.7 　 　 　
15 Ignition method: CDI 　 　 　
16 Clutch model : multi-plate manual clutch 　
17 Air filter model : sponge air filter 　 　
18 Lubricating system: pressure splash 　 　
19 Engine oil capacity: 1.1L 　 　 　
20 Start method: kick start ( start any gear) 　
21 SIZE: 　 435X285X235mm 　 　
22 N.W: 　 19±1Kg