COMPLETE CYLINDER BARREL PISTON KIT Fits NHX110 LEAD 110 EX 2008 - 2015 This kit is designed for rebuilding the engine cylinder assembly on compatible models.It includes all components required to replace a standard bore 50mm cylinder and piston assembly. Kit includes: 1 x Cylinder (bore: 50mm, stroke: 55mm) 1 x Piston (standard size, aluminum, anodized ) 1 x Piston ring set 1 x Wrist pin (13mm diameter) 2 x Circlips 1 x Cylinder base gasket 1 x Cylinder head gasket 1 x Tensioner gasket 2 x Valve stem seals Compatible with NHX110 LEAD 110 EX models from 2008 to 2015. Fits standard bore configuration only. Displacement: 108cc Compression ratio: 11:1 Replacement part numbers: Cylinder: 12100-GFM-900 Cylinder base gasket: 12191-GFM-901 Cylinder head gasket: 12251-GFM-890 Piston (Std): 13101-GFM-900 Wrist pin: 13111-GCC-C50 Piston ring set (Std): 13011-KWW-740 Circlips: 94601-13000 Tensioner gasket: 14560-GFC-902 Valve stem seal: 12209-GB4-682 This is a replacement part intended to restore function.Compare with your existing components to confirm fitment before installation.