The KTM 620 Duke is a motorcycle that was launched in 1997 with a four-stroke, single-cylinder, SOHC engine that has a capacity of 609 cc. The bike has a Dell’Orto PHM 40 SD carburetor and is ignited by a KDC-CDI. It has a kick start and delivers a max power of 40.1 kW/55 hp @ 7000 rpm and a max torque of 60 Nm/6.1 kgf-m/44.3 lb-ft @ 5500 rpm. The bike has a five-speed transmission with a chain final drive. The front suspension is equipped with a White Power 4054 Top Adjuster, and the rear suspension has a White Power monoshock 4681 BAVP Single Adjuster. The front brakes are a single 320 mm disc with a four-piston caliper, and the rear brakes are a single 220 mm disc with a one-piston caliper. The motorcycle’s wheels are wire-spoked, and the Pirelli MT60 tires’ dimensions are 120/70-17 for the front and 160/60-17 for the rear. The dry weight of the motorcycle is 145 kg/320 lbs, the seat height is 894 mm/35.2 in, and its fuel capacity is 10.3 L/2.7 US gal/2.3 Imp gal. The KTM 620 Duke has an average fuel consumption of 6.4 L/100 km, a braking distance of 36 m/118 ft when stopping from a speed of 100 km/h, a standing quarter-mile time of 13.1 sec at 156 km/h/97 mph, and a top speed of 169 km/h/105 mph.
Technical specifications:
Make Model: KTM 620 Duke
| Year | 1997 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, 4 valves |
| Capacity | 609 cc / 37.2 cu in |
| Bore x Stroke | 101 x 76 mm |
| Compression Ratio | 10.4:1 |
| Cooling System | Liquid cooled |
| Induction | Dell’Orto PHM 40 SD carburetor |
| Ignition | KDC-CDI |
| Starting | Kick |
| Max Power | 40.1 kW / 55 hp @ 7000 rpm |
| Max Torque | 60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5500 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Front Suspension | White Power 4054 Top Adjuster |
| Front Wheel Travel | 142 mm / 5.6 in |
| Rear Suspension | White Power monoshock 4681 BAVP Single Adjuster |
| Rear Wheel Travel | 170 mm / 6.7 in |
| Front Brakes | Single 320 mm disc, 4 piston caliper |
| Rear Brakes | Single 220 mm disc, 1 piston caliper |
| Front Wheel | 3.50 x 17, wire spoked |
| Rear Wheel | 4.50 x 17, wire spoked |
| Front Tyre | 120/70 – 17 Pirelli MT60 |
| Rear Tyre | 160/60-17 Pirelli MT60 |
| Seat Height | 894 mm / 35.2 in |
| Dry Weight | 145 kg / 320 lbs |
| Fuel Capacity | 10.3 Litres / 2.7 US gal / 2.3 Imp gal |
| Fuel Reserve | 1.8 L / 1.9 US qt / 1.6 Imp qt |
| Consumption Average | 6.4 L/100 km / 15.7 km/l / 37 US mpg / 44.4 Imp mpg |
| Braking 100 km/h – 0 | 36 m / 118 ft |
| Standing 1/4 Mile | 13.1 sec / 156 km/h / 97 mph |
| Top Speed | 169 km/h / 105 mph |
