| Engine | KTM 690 Duke | KTM 390 Duke |
|---|---|---|
| Displacement | 692 cc | 373 cc |
| Max power | 72 hp (@8 200 RPM) | 43 hp (@8 600 RPM) |
| Max torque | 54 lb ft (@6 500 RPM) | 25 lb ft (@6 800 RPM) |
| Redline | 9 000 RPM | 10 500 RPM |
| Idling speed | 1 550 RPM | 1 650 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Single | DOHC Single |
| Compression | 12.70:1 | 12.90:1 |
| Oil type | 10W50, Liqui Moly 10W50, Motul 10W50 | 15W50 |
| Spark plug type | inside, NGK LKAR9BI‐10, outside, NGK LMAR7DI‐10 | BOSCH VR 5 NE, BOSCH VR 5 NEU |
| Cooling | Liquid | Liquid |
| Valves | 4 | 4 |
| Bore | 105.0 mm | 89.0 mm |
| Stroke | 80.0 mm | 60.0 mm |
| Throttle bore | 55.0 mm | |
| Weight to power | 8.05 lbs/hp | |
| Power to weight | 310 hp/2500lbs |
| Gearbox | KTM 690 Duke | KTM 390 Duke |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | 5/8 x 1/4” (520) X‐ring | X-Ring 5/8 x 1/4" |
| Gears count | 6 | 6 |
| Primary ratio | 2.194 | 2.667 |
| Final drive | 2.5 | 3.0 |
| 1. gear | 2.5 (48 mph) | 2.667 (35 mph) |
| 2. gear | 1.75 (68 mph) | 1.857 (50 mph) |
| 3. gear | 1.333 (90 mph) | 1.421 (66 mph) |
| 4. gear | 1.095 (109 mph) | 1.143 (82 mph) |
| 5. gear | 0.956 (125 mph) | 0.956 (98 mph) |
| 6. gear | 0.869 (138 mph) | 0.84 (112 mph) |
| Chasis | KTM 690 Duke | KTM 390 Duke |
|---|---|---|
| Frame type | Lattice frame made of chrome molybdenum steel tubing, powder- coated | Steel trellis frame |
| Front susp. | USD Fork 4357 ROTA SPLIT | USD 43mm, 5.91 in travel |
| Rear susp. | Pro‐Lever linkage | Monoshock, 5.91 in travel |
The 2016 KTM 690 Duke and the 2015-2016 KTM 390 Duke are two bikes that deliver exceptional performance and reliability. However, they have significant differences in terms of specifications and performance. The 2016 KTM 690 Duke is a naked sportbike designed with adventure enthusiasts in mind. Its hard-edged design features a black, orange, and white livery, aggressive styling, and a sharp-looking body. At the heart of the bike is a powerful 690 cc liquid-cooled engine, which delivers 72 horsepower and 54 lb-ft of torque. On the other hand, the 2015-2016 KTM 390 Duke is a compact, lightweight naked bike that is ideal for city riders. The bike features a black, white, and orange livery, a sleek body, and an aggressive look. The 390 Duke is powered by a 373 cc single-cylinder engine that produces 44 horsepower and 27 lb-ft of torque. The 2016 KTM 690 Duke is targeted at experienced riders who are looking for a powerful, high-performance naked bike that can handle any terrain. The 690 Duke is perfect for long-distance riding and adventure touring. The bike's impressive power and torque makes it suitable for both on-road and off-road adventures. The 2015-2016 KTM 390 Duke, on the other hand, is targeted at young riders who are looking for a lightweight yet powerful bike to maneuver through the city streets. The bike's user-friendly design makes it an ideal choice for novice riders who are just starting on their biking journey. Compared to the 2015-2016 KTM 390 Duke, the 2016 KTM 690 Duke has a bigger engine, more horsepower, and more torque. This means that the 690 Duke is faster and more powerful, making it more suitable for long-distance touring and off-road adventures. However, the 390 Duke is more fuel-efficient, making it a better choice for city riding. The 690 Duke shines in terms of performance and handling, making it a perfect choice for experienced riders. The bike's advanced suspension system and ABS brakes make it easy to handle on any terrain. The 390 Duke, on the other hand, shines in terms of affordability and fuel efficiency, making it a great choice for novice riders on a budget. The 690 Duke lets down in terms of weight, which can be a concern for some riders |