This Motor should fit the following models. Note: This is not a guarantee, if you are unsure, please check with your local dealer.
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 /. We have not had a single problem with the engine.