125CC 4-Stroke Semi-Auto 3-Speed Go Kart Engine Kit with Reverse & Electric Starter - Air-Cooled Single Cylinder Motor for Dirt Bikes, ATVs & Pit Bikes - Perfect for Off-Road Racing, Backyard Fun & DIY Projects

Specifications:ENGINE 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 starterLubrication : Pressure/splashOil capacity : 900ml:Fits (For the reference):ENGINE SIZE : 125CCWiring: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 coilPackage includes:it comes with:Wiring+ carby+Airfilter+ Chain case + Gasket As you see in the picture

[ High Performance] Start Method Electrical Start; Bore x Stroke 2.06 × 2.18in, 119.7 mL; Top Engine Mount 92mm; Bottom Engine Mount 82mm; Bolt to Bolt 152mm (6"); Compression ratio 9.0 1; Maximum net power/ rpm 5.8 kw/ 7500r/ min±375 r/ min

[ Fitment] 125CC engine suitable Go kart, Quad, Dirt bike, ATV, Pit bike, Dirt bike, Buggy, Pocket rocket, etc.Compatible with AtomikPitpro, TdrOrionXmoto, LeiDmxSwd, TommahawkMonsoon, GrudgeKazuma, BullTrooper, HunterMotox,etc.

[ Main Parameters] Maximum torque/ rpm 8.5 N.m/5000r/min±250 r/min; Idle speed 1500 r/min±100r/min; Front sprocket 428-14T; Ignition CDI; Air Filter 35mm; Carburetor PZ19; Starter Electrical starter; Lubrication Pressure/splash; Oil capacity 900ml; Fits (For the reference)

[ Wiring Tips] 1. Five wires (Plug) For gear indicator; 2. Yellow wire For storage battery; 3. Pink (or Yellow) wire For storage battery; 4. Black & Red wire For signal trigger; 5. Green wire For grounding; 6. Blue & White For trigger coil

[ Package Includes] Comes withWiring+ carby+Airfilter+ Chain case + Gasket As you see in the picture. We packed the item as good as we can, if there is any damaged part, pls contact with customer service, we will reply in 24hours