125cc 4-Up Engine Motor Kits for Honda CRF50 CRF70F ATC70 Z50 XR70 Pit Dirt Bike. HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / CS 90 / SL 90 / ZB 50.
