Fitment: All years Chinese made electric start upright engine 49cc 50cc 70cc 80cc 90cc 100cc 110cc 125cc engines. For ATV, Coolster, Dirt Bike, Pit Bike, Quad Bike, Go Kart, 4 Wheelers, Dune, Taotao, Buggy, Motowork. Compatible with many brands: Xmoto, Lei, DMX, SWD, Atomik, Pitpro, Hummer, Orion, TDR, DDR, Tommahawk, Motox, Trojan, Blitz, Monsoon, Grudge, Kazuma, Bull, Trooper, Hunter, Crusade, Link, Bigfoot, Kuda, Thumpster, Thumbstar, Chongqing, Motoworks, Nitrous, Reign, Fury, Prox, Raider, Zongshen, Loncin, Ducar, Lifan. Package Include: ATV Wire harness, CDI box(5Pin AC), Solenoid Relay, Rectifier, Ignition Switch (2 keys, waterproof), Upgraded Multi-functional ATV Switch, AC Stator (Magneto Generator), Ignition Coil with lead and, Spark plug. Tip: Please check the pictures carefully before buying, especially the pictures of AC Magneto Stator. Professional installation is highly recommended according to wiring diagram and false assembly may cause fire on the harness??though