Flex-Hone Cylinder Ball-Hone 77-83mm for Yamaha WR250F 2015-2018

Fast and efficient deglazing and finish honing, providing a consistent cross-hatch pattern for oil retention and piston ring seating. Ball hone style features 320 grit globules of silicone carbide making it perfect for steel sleeved and Nikasil coated cylinders. Several sizes available for optimal cylinder bore fitment.You may also like Flex-Hone Cylinder Ball-Hone 52-54mm for Polaris SCRAMBLER 90 2001-2003.