Lifan 125cc Motor Dirt Bike Engine Complete Set 125M-S Displacement: 123.7cc Ignition: CDI, 12 volt, permanent magnetic stator Bore x Stroke: 54mm x 54mm, this is a 'square' engine for best balance between power and torque Gears: 4-speed, manual clutch, All new 4 up System. Buyer will receive Lifan 125CC Motor, 22MM Carbruetor, Intake manifold, intake gaskets, Shifter, Kick Starter, Wiring Harness, CDI, Spark Plug and Ignition Coil.