Universal fitting: Compatible with almost all years Chinese made electric start upright engine 49cc 50cc 70cc 80cc 90cc 100cc 110cc 125cc engines. For ATV, Coolster, Quad Bike, Dirt Bike, Pit Bike, Go Kart, Kawasaki KLX, 4 Wheelers, Scooter, Buggy, Motowork, Dune, Taotao. Compatible with many brands,such as: Atomik, Pitpro, Hummer, Orion, Xmoto, Lei, DMX, SWD, TDR, DDR, Tommahawk, Monsoon, Grudge, Kazuma, Bull, Trooper, Hunter, Motox, Trojan, Blitz, Crusade, Link, Bigfoot, Kuda, Motoworks, Nitrous, Reign, Fury, Prox, Raider, Zongshen, Loncin, Ducar, Lifan, Thumpster, Thumbstar, Chongqing. This is a complete electric start engine wiring harness loom,include 1x ATV Wire harness,1x CDI(5Pin AC),1x Solenoid Relay,1xRectifier (Voltage Regulator) ,1x Ignition Switch (2 keys, waterproof),1x Upgraded Multi-functional ATV Switch,1x Stator (Magneto Generator),1x Ignition Coil with lead, 1x Spark plug. Magnetoelectric coil wiring: red and black wires are ignition wires / blue and white wire