High Performance 50mm Big Bore Cylinder Rebuild Kit with 69mm Valves Cylinder Head Assy CDI Ignition Coil Spark Plug for 139QMB 139QMA Engine Scooter Moped ATV Go-Kart (69mm upgrade valve)

High Performance Complete 50mm Big Bore Cylinder Rebuild Kit with 69mm Valves Cylinder Head Assy CDI Ignition Coil Spark Plug for 139QMB 139QMA 147QMD Engine Scooter Moped ATV Go-Kart

• Specification: Upgrade Cylinder size: 50mm, Piston: 50mm,Valve:69mm, Clutch Spring:1500RPM,
• Advantage: A9 crankshaft, High Performance CDI, Ignition coil,Spark Plug, 6.5g Copper Roller.
• Fitment: kit fits for most 49cc 50cc Chinese scooters mopeds & ATVs equipped with 139QMB 139QMA 4 stroke engine. Such as Taotao, Jonway, Jmstar, Roketa, Sunl, Sunny, Vitacci, Icebear, Lance, Xpro, Tank, Peace, Dongfang, Kazuma, JCL, BMS, Baja, Baccio, Eagle, Urban, Panterra.
• Compatibility: Taotao 49cc 50cc scooter moped(VIP Future Champion 50/ ATM50-01/ Pony 50/ Thunder 50/ CY50-A, CY50-B, CY50-T3/ New Speed 50/ EVO 50/ Blade 50/ Classic 50/ Euro 50cc), Baja SC50, Jonway 50cc, Vitacci 50cc, Roketa 50cc, Jmstar 50cc, Wol* 50cc scooter(RX50/ Islander/ V50/ Rugby), Ice Bear 50cc, Lance 50cc , Wildfir* 50cc, X-Pro 50cc, Sunl 50cc, Sunny 50cc, Peace Sports 50cc, Zongshen 50cc, Tank 50cc, Panterra 50cc, Piaggio 50cc.
• Package Included: 50mm cylinder body kits, cylinder head kits, A9 camshaft, camshaft seat kits, gaskets kits, oil pump and gear, spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug