The patented SuperTorqueXT™ Flat engine is the heart of the PowerSki JetBoard™. Only 6.5” tall, 10” wide, and 17” long, this engine develops 45 hp, and speeds up to 40 mph on the water. This new power plant, combined with the PowerThruster 330™ jet pump, delivers more than 250 lbs. of thrust through a proprietary gear-reduction transmission, and proprietary jet pump. Built into the bottom end of the engine, this gear reduction is new to the PWC industry. It enables engineers to match the engine's optimum RPM to that of the jet pump to enhance the jetboard’s performance.