If you wanna believe the exaggerated "BSHP" figures posted on ebay listings good on ya' ..... some people like to live in the real world aka REALITY ......
Jialing 125's put out 7.78 hp ... Lifan BVH 125's put out 8.45 hp :
Jialing 125 specs :
China Jaling Industrial CO., LTD.
Here's the true figures for a YX 150 .....
150cc motor Specifications
Bore and Stroke: 60X53mm
Cylinder Capacity: 149.8ml
Compression Ratio: 9.2:1
Power and Torque: 11HP/9500°500R/min
Max. Torque: 11N.m/5500°500R/min
Transmission Specs
4-speed all up transmission (n-1-2-3-4)
Manual Clutch (start in any gear)
Transmission Ratio:
Elementry: 3.722(18/67)
First Gear: 3.272 (11/36)
Second Gear: 1.937(16/31)
Third Gear: 1.35(20/27)
Fourth Gear: 1.043(23/24)
Engine Crate Includes
eBay Motors: LIFAN YX 150CC MOTOR ENGINE CRF50 XR50 125CC 140cc KLX (item 220258722059 end time Jul-24-08 20:33:30 PDT)