The 2018 KTM 790 Duke, also known as “The Scalpel,” features a four stroke, parallel twin cylinder engine with a capacity of 799cc and a maximum power output of 78 kW/105 hp at 9000 rpm. The engine uses Dell Orto fuel-injection and Bosch EMS with RBW ignition. The motorcycle also features a PASC antihopping clutch, mechanically operated transmission, and chain final drive. The frame is constructed from Chromium-Molybdenum-Steel and uses the engine as a stressed element, while the suspension consists of a 43mm WP upside-down fork in the front and a WP shock absorber with preload adjuster in the rear. The braking system includes a two-channel Bosch 9MP ABS and 2x 300mm front discs/1x 240mm rear disc. The KTM 790 Duke’s wheels are made of cast aluminium and are paired with Maxxis Supermaxx ST tires. The bike is 2062mm in length, 904mm in width, and 1059mm in height, while the wheelbase is 1475 +/- 15mm. The seat height is 825mm, and the ground clearance is 186mm. The motorcycle weighs 169kg (372.5 lbs) dry and 174kg (383 lbs) wet with a fuel capacity of 14 liters (3.7 US gal).
Technical specifications:
Make Model: KTM 790 Duke The Scalpel
| Year | 2018 |
|---|---|
| Engine | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Capacity | 799 cc / 48.7 cu-in |
| Bore x Stroke | 88 mm x 65.7 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 12.7:1 |
| Exhaust | Stainless steel primary and secondary silencer |
| Lubrication | Forced oil lubrication with 2 oil pumps |
| Induction | Dell Orto fuel-Injection |
| Ignition | Bosch EMS with RBW |
| Starting | Electric |
| Max Power | 78 kW / 105 hp @ 9000 rpm |
| Max Torque | 87 Nm / 63.4 lb-ft @ 8,000 rpm |
| Clutch | PASC antihopping clutch, mechanically operated |
| Transmission | 6 Speed |
| Final Drive | Chain 520 X-Ring |
| Primary Drive | 39:75 |
| Secondary Gear Ratio | 16:41 |
| Frame | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
| Front Suspension | 43mm WP upside-down |
| Front Wheel Travel | 140 mm / 5.5 in |
| Rear Suspension | WP shock absorber with preload adjuster |
| Rear Wheel Travel | 150 mm / 5.9 in |
| Front Brakes | 2x 300mm discs |
| Rear Brakes | Single 240mm disc |
| ABS | Bosch 9MP two-channel ABS (incl. Supermoto mode, diesengageable) |
| Front Wheel | 3.50 x 17 in cast aluminium |
| Rear Wheel | 5.50 x 17 in cast aluminium |
| Front Tyre | Maxxis Supermaxx ST 170/20Z R17 |
| Rear Tyre | Maxxis Supermaxx ST 182/20Z R17 |
| Rake | 24 degrees |
| Trail | 98 mm / 3.8 in |
| Steering Head Angle | 66 degrees |
| Handlebar | Aluminum, tapered, 28/22 mm |
| Dimensions | Length 2062 mm / 81.2 in Width 904 mm / 35.6 in Height 1059 mm / 41.7 in |
| Wheel base | 1475 +/- 15 mm / 58 in |
| Seat Height | 825 mm / 32.4 in |
| Ground Clearance | 186 mm / 7.3 in |
| Dry Weight | 169 kg / 372.5 lbs |
| Wet Weight | 174 kg / 383 lbs |
| Fuel Capacity | 14 Litres / 3.7 US gal |
