Big Bore Kit

2004 thru 2009 Honda CRF250R 3mm Big Bore Cylinder Works Cylinder Kit


2004 thru 2009 Honda CRF250R 3mm Big Bore Cylinder Works Cylinder Kit

2004 thru 2009 Honda CRF250R 3mm Big Bore Cylinder Works Cylinder Kit   2004 thru 2009 Honda CRF250R 3mm Big Bore Cylinder Works Cylinder Kit

The Honda CRF250R does require machining of the cases to install. Comes with Vertex piston, Rings, wrist pin and clips. 3mm Big Bore / 269cc, 13.0:1 compression ratio.

Also comes with a top-end gasket kit. No more having to send your cylinders for re-plating after the cylinder becomes worn or damaged. Cylinders look virtually identical to the OEM. Cylinders are Nickel Silicon Carbide plated for long life and honed to exact size for easy installation.

Use piston brand of your choice with "cylinder Only" kits. "Cylinder Only" does not come with gaskets.


2004 thru 2009 Honda CRF250R 3mm Big Bore Cylinder Works Cylinder Kit   2004 thru 2009 Honda CRF250R 3mm Big Bore Cylinder Works Cylinder Kit