of updates this decade, Kawasaki's 2023 model KX250 continues the momentum with Kawasaki's engineers having extracted even more power and torque from the already hi-tech engine across the entire rev range. To do this there has been some changes deep down in the internals. The valves are smaller dropping from 32mm to 31mm for cylinder-head/valve-seat reliability. The revised piston crown matches the valve size and increased clearance at the valve seats delivers consistent combustion. The downdraft-style intake has also been revised with a straighter intake duct to increase
