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Engine technology

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K157FMJ(M12)
2014-11-13| 798| Print |



◆ Performance is better than other 150cc engines produced in China.
◆ Optimizing design for the dynamic balance of crankshaft, connecting rod and piston set, help to reduce the vibration.
◆ Low- rotation and high- torque make great climbing ability.
◆ The timing chain is silent tooth chain. Maintenance –free tensioner contribute to low noise, long lifespan and free maintenance of the distribution chain.
◆ Cylinder with big cooling fin reduces thermal load and effectively increases the operating life of the engine.


Engine Technical Parameters

Engine type 1-cylinder, 4-strokes, air cooled
Bore 57. 0mm 
Stroke 56. 8mm 
Displacement 145cc 
Compression ratio 9.2:1 
Max power 9. 4KW/8500rpm
Max torque 11.23N. m/7000rpm
Minimum fuel consumption ratio ≤335g/kw. h
Fuel feeding Carburetor
Starter system Electric /Kick 
Ignition model PEI
Clutch Wet multiple plate
Drive system Mechanical
Transmission ratio Primary gear ratio:3. 470  
Shift gear I/II/III/IV/V
3. 000/1. 857/1. 368/1. 095/0. 913
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