ZXTDR 125cc Engine 4 Stroke Motor Semi-Auto for Honda XR50 CRF50 XR CRF 50 70 SDG SSR 110 CT70 ST70 Dirt Pit Bike Motorcycle

Features:

• This 125cc Semi-Auto Engine suitable for ATV UTV 4 Wheelers Quad bikes
• Speed complete racing engine, 3 forward 1 reverse gear
• Upgrade your stock 50cc to this 125cc monster, you can feel the power difference immediately
• See below description for more specifications and wiring

Details: Specifications: Displacement: 125cc Type: Horizontal, single-cylinder, 4-stroke, air-cooled Compression ratio: 9.0: 1 Front sprocket 420 - 17mm - 14T Transmission: 4-speed 3 forward 1 reverse gear Bore x Stroke: 2.06" x 2.19”(52.4mm x 55.5mm) Top Engine Mount : 92mm Bottom Engine Mount: 82mm Bolt to Bolt :152mm (6") Rated Power & Rotating Speed: 5.8 kw/7500r/min±375 r/min Max. Torque & Rotating Speed: 8.5 N.m/5000r/min±250 r/min Idle speed 1500 r/min±100r/min Ignition: CDI Wiring: 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