125cc 4-Stroke Engine Motor for ATV Dirt Bike Parallel 4-Stroke Single-Cylinder Engine for Atomik, Pitpro, TDR, Hummer, Orion Xmoto Lei DMX, Tomahawk, Go Kart Quad Dirt Bike, ATV Pit Bike

SpecificationsApplicable Models: For Atomik, Pitpro, TDR, Hummer, Orion, Xmoto, Lei, Dmx, Swd, Tomahawk, Go Kart, Quad, Dirt Bike, ATV, Pit Bike, Buggy, Rocket Car For 125cc Engine SizeCondition: NewMaterial: Iron, AluminumProcess: Die Casting, PaintingColor: SilverEngine Type: Parallel 4-Stroke Single-Cylinder EngineTransmission System: Forward-Neutral-ReverseStarting Method: Electric StartIgnition Device: CDICooling Method: Air CoolingStarter Type: Foot StartLubrication Method: Pressure/SplashFuel Type: GasolineCarburetor: PZ19Displacement: 125CCMaximum Power: 5.5KWCompression Ratio: 9:1Max. Speed: 7500±375RPMIdle Speed: 1500±100RPMMax. Torque: 8.5 N.mFront Sprocket: 420-17mm-14TFuel Tank Capacity: 900ml/0.24galAir Filter Diameter: 35mm/1.38inCylinder DiameterxStroke: 52.4x55.5mm/2.06 x 2.19inTop Mounting Hole Spacing: 92mm/3.62inBottom Mounting Hole Spacing: 82mm/3.23inBolt Spacing: 152mm/5.98inWay of Use: Direct Replacement Product Size: 48x36x30cm/18.9 x 14.17x11.81inPackage Size: 50x37.5x32cm/19.69 x 14.76x12.6inGross Weight: 21.95kg/48.39lbsNet Weight: 21kg/46.3lbsHighlightsBrand New, With High QualityStrong PowerTrouble-free InstallationExquisite CraftsmanshipDirect Replacement Long Service LifeImproving Vehicle SafetyComfortable DrivingThe Functions Corresponding to Different Colored Cords1. Five Wires (Plug): Gear Indicator2. Yellow Wire: Charging Wire4. Black & Red Wire: Battery Wire5. Green Line: Neutral WireNotes1. We strongly recommend professional installation. 2. Please double-check compatibility before purchasing to ensure proper fit.3. Please allow for slight color differences caused by shooting light and errors caused by manual measurement, and make sure you don't mind before ordering. If you have any questions, please contact us, and we will reply and solve your problem as soon as possible.Fits (As a Reference)For Atomik, Pitpro, TDR, Hummer, Orion, Xmoto, Lei, Dmx, Swd, Tomahawk, Go Kart, Quad, Dirt Bike, ATV, Pit Bike, Buggy, Rocket Car For 125cc Engine SizePackage Included1 x 125CC 4 Stroke Engine MotorAll Accessories for Assembly

• 【Application】125CC 4-Stroke Engine Motor (5.5KW) compatible with ATVs, dirt bikes, go-karts, and 125cc vehicles, which can be used for off-road vehicle engine replacement, DIY buggy builds, recreational ATV maintenance, dirt bike power upgrades, go-kart engine repairs, utility quad rebuilds, and outdoor recreational vehicle power replacements.
• 【3-Gear Multi-Function Engine Kit】Forward-neutral-reverse transmission, electric & foot dual start, air cooling system, direct replacement design, and pressure/splash lubrication can all be found on this 125CC engine. It meets your professional vehicle repair needs, DIY vehicle modification requirements, and recreational vehicle power upgrade demands at once, saving your time and cost.
• 【Powerful Performance】Its maximum power reaches 5.5KW, max speed is 7500±375RPM, and torque is 8.5N.m. The advanced 4-stroke single-cylinder structure, CDI ignition, and PZ19 carburetor digitally control the power output, combined with die-cast iron-aluminum material to provide strong off-road performance, stable idle speed (1500±100RPM), and long-lasting operation.
• 【Safe & Reliable】The air cooling system effectively dissipates heat during high-speed operation, preventing engine overheating. The pressure/splash lubrication ensures sufficient oil supply to key components, reducing wear. The sturdy die-cast structure and secure mounting holes (top 92mm/bottom 82mm spacing) enhance stability during use, while clear wire function labeling avoids wiring errors, maximizing safety for installation and operation.
• 【Easy to Operate】The 125CC 4-Stroke Engine Motor features electric start for quick ignition and foot start as a backup, with direct replacement design for hassle-free installation, making it an ideal choice for DIY enthusiasts to upgrade or repair vehicles; You can also rely on its 3-gear transmission (forward-neutral-reverse) for flexible control, and the 900ml fuel tank capacity supports extended use, which is very suitable for mechanics who pursue efficient and versatile engine solutions.