Seller notes

Stock cylinder kit for 50cc 4-stroke 139QMB engineKit Includes:Cylinder 50cc  - 139QMB 50ccGasket for Cylinder  - 139QMB 50ccGasket for Cylinder Head  - 139QMB 50ccPiston 49cc/ 39mm - 139QMB 50ccPiston Ring Set 49cc / 39mm - 139QMB 50cc139QMB Wrist Pin  - 139QMB 50ccWrist Pin Clips (Set of 2)  - 139QMB 50cc   Important Parts Notice:  Not all replacement or upgrade parts come with instructions. It is the customer's responsibility to have common knowledge of the installation or hire an ex...

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