Flex-Hone Cylinder Ball-Hone 90-95mm for Yamaha YFZ450R 2009-2018

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.