COMPLETE CYLINDER BARREL PISTON KIT 110CC Fits CB1 CB110 (KWS) 2015-2019 If the cylinder is damaged, compression is low, or a piston seizure has occurred, this kit provides the necessary components for a end rebuild.The set includes a cylinder, piston, piston rings, wristpin, circlips, and a complete gasket set as shown in the image. This replacement kit serves as a functional option for restoring engine performance.It is designed to fit models from 2015 to 2019 with 110cc displacement. Specifications: Quantity: 1 set Material: Aluminum Bore type: Standard Bore diameter: 50mm Piston pin dimensions: 12mm x 33mm Replacement part numbers: Cylinder: 12100-K14-900, 12100-KWS-900 Cylinder base gasket: 12191-KWS-900 Cylinder head gasket: 12251-KWS-901 Piston (Std): 13101-KWS-900 Piston pin: 13111-KWS-900 Piston ring set (Std): 13011-KWS-900 Circlips: 13115-K23-900 Fits: CB1 110cc models from 2015 to 2019 Package includes: 1 x Cylinder 1 x Piston 1 x Piston ring set 1 x 12mm wristpin 2 x Circlips 1 x Cylinder base gasket 1 x Cylinder head gasket 2 x Valve stem seals All items are as pictured.Compare with existing components to confirm compatibility. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.