2021 Kawasaki ultra 310x Engine Supercharged and intercooled, 4-stroke, DOHC, four valves per cylinder, inline 4-cylinder (Warning) 1890 lb of trust. Oil changed every 15 hours 3 year warranty plus a transferable extended three-year warranty performance upgrades Straight pipe and air filter would love to keep it but my kids aren’t comfortable with a rocketship on water. I have to downgrade :(