140cc 4 Stroke Racing Engine Motor Manual Clutch with Kick Starter for Dirt Pit Bike Motorcycle XR50 CRF50 XR CRF 50 70 ATC70 C70 CT70 ATC90 CT110 XR

High performance 140cc engine, 0-1-2-3-4 Gear, manual clutch, 4 stroke, 4 speed, Shaft size: 17mm Max. Power & Corresponding Speed: 8kw (7500±375) Max. Torque & Corresponding Speed: 9.5N.M(5000±250) Replacement / upgrade for XR50 CRF50, C70 CT70 ATC90 CT110 XR and other most popular dirt bikes Easy to hook everything up: Just remove your existing engine and reverse the process to put the new one in Kit includes: engine, kick starter lever, gear shift lever, intake manifold and hardware kit See below Product Description for more specifications