LIFAN 1P54FMI 125cc high performance race engine. Upgrade your stock 50/70cc to this 125cc monster, you can feel the power difference immediately. Its available as Semi-Auto or a fully Manual Motor. The engine comes with a high-quality Aluminum cylinder head , a reinforced kick starter Spindle and extra large valves and Ports! (more power than the Silver Lifan 125cc motor) Also it comes with a high-quality 4-disc clutch! At 7.4 HP @ 7500 rpm the engine reaches more than the triple performance of a standard Honda 50 engine. Bore x Stroke is 54mm x 54mm, this is a 'square' engine for best balance between power and torque. Includes everything shown. PhatMX Also stocks the Harnesses, CDI's, 12v Coil that bolts into your stock location for ATC70, and 22mm Mikuni Carbs needed to complete this Motor. For ATC70 applications a new Recoil Cage and spacer is needed to adapt your OEM Honda Pull Start and Ignition Cover. We also stock these items.