Lifan 125cc 4-Stroke Engine Motor Semi Auto Motorcycle Dirt Pit Bikes CRF50 XR50 Description: Specifications: Type: 1-cylinder, horizontal, 4-stroke, air-cooled electric and kick start Bore x Stroke: 52.4mm x 55.5mm Displacement: 120ml Max. Power & Corresponding Speed: 5.8KW/7500rpm±375rpm Max. Torque & Corresponding Speed: 8.5N. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Engines & Engine Parts\Complete Engines".The seller is "ywys568" and is located in this country: US. This item can be shipped worldwide.