Lifan 140cc Engine Motor Specification Product Type:Lifan 4 Stroke 140cc Engine Kit. v High performance Lifan 140cc engine,1-2-3-4 / 4-3-2-1 Gear,manual clutch,4 stroke 4 speed. For CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Mini trail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / CS 90 / SL 90 / ZB 50.
