Motorcycle engine part air cylinder block for KX250F, standard bore 77 mm, part number 11005-0110, compatible with model years 2009 to 2016.The cylinder block features ceramic material integrated into the inner wall to enhance wear resistance and service life.Constructed from aluminum with ceramic reinforcement, it measures 86 × 89 × 88 × 75 mm and 89 × 53 × 33 × 22 × 32 mm, weighs 719 g, and has a silver finish.Designed as a direct replacement for the unit, it is tested for fitment and functional compliance with the specified model and year range.Includes one cylinder block.