Standard Bore Cylinder Jug 78mm 12100-KRN-672 12100-KRN-730 12100-KRN-731 12100-KRN-732 12100-KRN-670 For CRF250R CRF250X The Standard Bore Cylinder Jug 78mm is designed for riders looking to enhance the performance of their motorcycle.With a bore size of 78mm, this cylinder jug provides improved power output and engine efficiency.It is compatible with CRF250R models from 2004 to 2009 and CRF250X models from 2004 to 2017.Constructed from aluminum, the cylinder jug offers a balance of lightweight properties and durability suitable for off-road use.The material helps resist wear under demanding riding conditions, supporting sustained engine performance over time.This cylinder jug matches OE numbers 12100-KRN-672, 12100-KRN-730, 12100-KRN-731, 12100-KRN-732, and 12100-KRN-670, proper fitment for specified models.Its design supports straightforward installation and is intended to deliver consistent performance gains for off-road applications.