Original sentence: Kawasaki engineers utilized a "stack" design for a liquid-cooled, 998 cc inline four-cylinder engine.The DOCH are machined from chromoly steel billet for strength, four valves per cylinder improve high-rpm breathing, and the forged, lightweight pistons offer high heat resistance to further enhance the bike's power-to-weight ratio
Edited sentence: Kawasaki engineers utilized a "stack" design for the extraordinarily compact, liquid-cooled, 998 cc inline four-cylinder engine.The double overhead cams are machined from chromoly steel billet for strength, four valves per cylinder improve high-rpm breathing, and the forged, lightweight pistons offer high heat resistance to further enhance the bike's power-to-weight ratio