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Bore×Stroke(mm ) 90×66

Displacement(ml) 420

Compression ratio 8.2:1

Fuel consumption ratiog/(kW.h)(/reference) ≤420

Oil consumption ratiog(kW.h) ≤6．8

Idle Speed(r/min) 1700±200

Valve Lash(mm) Intake 0.10～0.15

Exhaust 0.15～0.20

Noise Limit GB15739-1995/Conformance with GB15739-1995

GB/T1859-2000/Testing Standard: GB/T1859-2000

Maximum power &speed kW/(r/min) 7．8/3600

Maximum torque & speed N.m（r/min） 22/2600

Ignition system、Starting system

Transistor ignition systems、Recoil and electric(optional)

Oil capacity(ml) 1100

Fuel tank capacity(L) 5.5

Dimensions(L×W×H)(mm ) 510×440×500