400cc Engine for ATV,see below specification Displacement:387.4mlCompression ratio:8.6:1Rated power and rotate speed:16kw(6000r/min~7000r/min)Rated power and rotate speed:17kw(6000r/min~7000r/min)Max Torque:26N.m(5500r/min~6500r/min)Ignition:CDIStarting system:Electric/ManualEngine Typesingle cylinder,Top cam,4 stroke,cooled by air and oil,F-R driveShift style Clutch style RatioPrimary shift:3. ...