125CC 4-Stroke Semi-Auto Pit Bike Engine Kit with Electric Start - Horizontal Single-Cylinder Air-Cooled Motor with CDI for Dirt Bikes, ATVs, Go Karts & Mini Bikes | US Stock | Perfect for Off-Road Racing, Trail Riding & Backyard Fun

SpecificationEngine size: 125CCGear system : 3 FORWARD; NEUTRAL; REVERSEType : Horizontal, single-cylinder, 4-stroke, air-cooledStart Method : Electrical StartBore x Stroke : 52.4 × 55.5 mm, 119.7 mLTop Engine Mount : 92mmBottom Engine Mount: 82mmBolt to Bolt :152mm (6")Compression ratio : 9.0: 1Maximum net power/ rpm : 5.8 kw/ 7500r/ min±375 r/ minMaximum torque/ rpm : 8.5 N.m/5000r/min±250 r/minIdle speed : 1500 r/min±100r/minFront sprocket : 428-14T Ignition : CDIAir Filter : 35mmCarburetor : PZ19Starter : Electrical StartLubrication : Pressure/splashOil capacity : 900mlPackage IncludedWiring+ carby+Airfilter+ Chain case + Gasket (As you see in the picture)Wiring:1. Five wires (Plug): For gear indicator2. Yellow wire: For storage battery3. Pink (or Yellow) wire: For storage battery4. Black & Red wire: For signal trigger5. Green wire: For grounding6. Blue & White: For trigger coilFits (As a Reference)Atomik, Pitpro, TDR, Hummer, Orion, Xmoto, Lei,Dmx, Swd, Tommahawk, Monsoon, Grudge, Kazuma, Bull, Trooper, Hunter, Motox, Trojan, Blitz, Crusade, Link, Bigfoot, Kuda, Motorworks, Nitrous, Reign, ddr, Fury, Prox, Raider, Zongshen, Chongqing, Loncin, Ducar, Lifan, Gy6, Thumpster, Thumbstar, Go kart, Quad, Dirt bike, ATV, Pit bike, Dirt bike, Buggy, Pocket rocket.NotesInstallation Manual Is NOT IncludedWe strongly recommend professional installation. Please contact us if you have any questions.

?️[GOOD PERFORMANCE] This 125cc engine motor kit equipped with air-cooled system which has well performance. It is made of high-quality metal, which is sturdy and durable.

?️[STRONG POWER] The semi-automatic engine kit 5.8 kw/ 7500r/ min±375 r/ min of maximum power and 8.5 N.m/5000r/min±250 r/min of maximum torque provide strong power to the car.

?️[HIGHLIGHTS] Brand New, With High Quality; Easy Installation; Long Service Life; Fine Workmanship; Safety Improvement; Fashion Appearance; Sturdy and Durable; Strong Power; Energy-saving.

?️[EASY TO INSTALL] The 125cc pit dirt bike engine kit is made according to the original factory parameters so it fits your car perfectly. The product is made to follow directions without modification, which is very easy and convenient.

?️[FITS (AS A REFERENCE)] For Atomik, Pitpro, TDR, Hummer, Orion, Xmoto, Lei,Dmx, Swd, Tommahawk, Monsoon, Grudge, Kazuma, Bull, Trooper, Hunter, Motox, Trojan, Blitz, Crusade, Link, Bigfoot, Kuda, Motorworks, Nitrous, Reign, ddr, Fury, Prox, Raider, Zongshen, Chongqing, Loncin, Ducar, Lifan, Gy6, Thumpster, Thumbstar, Go kart, Quad, Dirt bike, ATV, Pit bike, Dirt bike, Buggy, Pocket rocket.