169 kg / 372.5 lbs. Fuel Capacity. 14 Litres / 3.7 US gal. The new KTM 790 Duke, Nicknamed “The Scalpel”, is a smaller, more nimble sibling to “The Beast”, aka the KTM 1290 Super Duke R. The ‘LC8c’ as it’s known produces 102bhp @ 9,000rpm which is a significant boost over the 73bhp from the single-cylinder belonging to the 690 KTM 790 Duke (2022) technical specifications. KTM 790 Duke is produced in 2022. Engine is Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder, displacement 799 cc / 48.7 cu-in , produces power 77 kW / 105 hp @ 9000 rpm (95 hp European version) and 87 Nm / 63.4 lb-ft @ 8,000 rpm. 609 posts · Joined 2011. #6 · Mar 19, 2013. Any full synthetic motorcycle oil that meets the JASO T904-MA2 standard and is in the proper weight recommended by the manufacturer, in this case, 5W40 or 10W50. I use Castrol Power RS Racing 4T in 10W50. You can find it on sale at Cycle Gear from time to time for $9.99/QT. We don’t have a price for the 2023 KTM 790 Duke yet (update: the MSRP is $9199). Fuel capacity: 3.7 gallons; Estimated fuel consumption: 53 mpg; Curb weight: 414 pounds (approx.) The KTM 790 Duke is a 799cc standard bike. Its 4-stroke parallel twin engine has a power output of 77 kW and torque output of 64 ft-lb. Top Speed & Horsepower. The maximum speed of the KTM 790 Duke motorcycle is around 135 mph (217 km/h). Its horsepower is approximately 105 bhp. Weight & Seat Height. The KTM 790 Duke weighs around 189 kg (416 lbs). 3tc6mw.