KTM 390 series

The KTM 390 Duke and RC 390 are 373.2 cc (22.77 cu in) displacement single-cylinder engine motorcycles assembled by Bajaj Auto, and KTM Asia Motorcycle Manufacturing, Inc. (KAMMI) for the Austrian manufacturer KTM.[1] The bikes were developed under a joint program of Bajaj and KTM engineers, in which the concept was developed in Austria, while everything else, including design and final product development, was done in India by Bajaj.[7] The 390 Duke standard debuted at the 2012 EICMA show in Milan, Italy, and went on sale in India and the Philippines in 2013 and in the US in 2015.[6][8][9] The RC 390 sport bike was presented at EICMA the following year.[10] After the Duke's initial release, KTM CEO Stefan Pierer announced plans to export the 390 Duke to the US for 2014.[11][12] Bajaj said eventually the bike will be sold in 80 countries worldwide.[13]

KTM 390 Duke
ManufacturerBajaj Auto and KTM
Production2013–present
AssemblyIndia, Philippines, and Argentina[1]
ClassStandard
Engine373.2 cc (22.77 cu in) 4-stroke, liquid-cooled single
Bore / stroke89 mm × 60 mm (3.5 in × 2.4 in)
Compression ratio12.6:1
Top speed174–182 km/h (108–113 mph)[2][3]
Power
  • 32 kW (43 hp) @ 9,500 rpm (claimed)[4]
  • 30.04 kW (40.29 hp) @ 9,600 rpm[3]
Torque
  • 35 N⋅m (26 ft⋅lb) @ 7250 rpm (claimed)[4]
  • 32.92 N⋅m (24.28 ft⋅lb) @ 7,000 rpm[3]
Ignition typeBosch digital
TransmissionWet clutch, 6-speed, X-ring chain
Frame typeTubular steel trellis
Suspension
Brakes
  • ByBre ABS disc
  • Front: four-piston radial caliper, 300 mm (2013–2016) 320 mm (2017–present) rotor
  • Rear: 230 mm
TiresMetzeler Sportec M5 17-110/70 x 17-150/60
Rake, trail25°, 100 mm (3.9 in)
Wheelbase1,367 mm (53.8 in)
DimensionsL: 2,002 mm (78.8 in)
W: 873 mm (34.4 in)
H: 1,267 mm (49.9 in)
Seat height800 mm (31 in)
Weight139 kg (306 lb) (claimed)[5] (dry)
  • 154 kg (340 lb) (claimed)[6]
  • 153 kg (338 lb)[3]
 (wet)
Fuel capacity13.5 L (3.6 US gal)
Fuel consumption4.7 L/100 km; 50 mpg‑US (60 mpg‑imp)[2]
RelatedDuke 200

Pierer said in December 2015 that KTM and Bajaj plan to replace the 125, 200, and the 390-series Duke and RC lines in 2017, based on all new platforms, in part to meet Euro IV emissions standards, and to incorporate new technologies such as ride-by-wire.[14]

390 Duke

In its home market, the 390 Duke's engine size and weight place it in the mid-range category, and it sells for more than three times the average price of a motorcycle in India.[6][15] As one Indian reviewer put it "The 390 Duke may well be a simple little A2 license commuter for the European rider, but in the environs of Mumbai traffic, it's a proper rocket-powered scalpel."[16] In the US market, the same motorcycle is considered small-displacement, lightweight, and relatively inexpensive.[12] Similarly, the UK Sunday Times said, "Given that the 390 Duke weighs less than 150kg when it's full of fuel, you have to sit on it to stop it blowing away. It's as agile in traffic as a push-bike and whippet-thin," saying the bike was ideal for young riders with the A2 license, limited to 47 bhp (35 kW), who would find it easy to ride and confidence-inspiring, while feeling "fast and sporty".[2] Such a bike in the UK would also appeal to experienced riders looking for a practical and efficient commuter bike and runabout.[2] The 390 Duke won the 2013–14 Jury's Choice Bike of the Year in The Bloomberg TV India Autocar India Awards.[17] IndianCarsBikes said that with a top speed of 160 km/h (99 mph) and a 0 to 100 km/h (0 to 62 mph) time of 5.5 seconds, the 390 Duke is the fastest motorcycle made in India as of January 2014.[18]

Motorcycle Consumer News tested the 390 Duke's top speed to be 167.4 km/h (104.0 mph), with acceleration from 0 to 97 km/h (0 to 60 mph) in 5.53 seconds, and 0 to 1⁄4 mi (0.00 to 0.40 km) in 14.02 seconds at 147.87 km/h (91.88 mph).[3] The brakes stopped the bike from 97 to 0 km/h (60 to 0 mph) in 43.1 m (141.3 ft), and fuel economy was tested at 3.97 L/100 km; 71.2 mpg‑imp (59.3 mpg‑US).[3] The 390 Duke weighed 153 kg (338 lb) wet and the engine power was 30.04 kW (40.29 hp) at 9,600 rpm, with 32.92 N⋅m (24.28 ft⋅lb) torque @ 7,000 rpm.[3] The brakes were considered to be "the most obvious flaw on the 390".[19]

2017 update

After 2017, the 390 series' front brake disc was increased from 300 mm to 320 mm. The headlight was redesigned and converted to LED. The display became a color TFT panel with phone pairing capability. Seat height was increased from 800 mm (31.5 in) to 830 mm (32.7 in) and wheelbase was decreased 10 mm. The brake and clutch levers were also made manually adjustable.[20] The throttle now uses a ride by wire system and the tank was updated from 11 to 13.5 L (2.9 to 3.6 US gal).

2018 updates

In 2018, KTM updated its Duke 390 with some minor changes, where it added a deflector plate on the left side of the chassis, to avoid exhaust heat near the riders leg.[21] The Duke 390 in India gained new features and updates. The Duke 390 comes with a daytime running light, and is on Euro IV emission standards.

RC 390
KTM RC 390
ManufacturerBajaj Auto and KTM
Production2014–present
AssemblyIndia and Philippines[1]
ClassSport bike
Engine373.2 cc (22.77 cu in) single
Bore / stroke89 mm × 60 mm (3.5 in × 2.4 in)
Top speed167 km/h (104 mph)[22][23]
Power30.04 kW (40.29 hp) @ 8,600 rpm[22]
Torque32.92 N⋅m (24.28 ft⋅lb) @ 6,800 rpm[22]
Ignition typeBosch digital
TransmissionMulti-plate wet clutch (slipper (2017–present), 6-speed, X-ring chain
Frame typeSingle-piece steel trellis
Suspension
Brakes
  • ByBre ABS disc
  • Front: four-piston radial caliper, 300 mm (2013–2016) 320 mm (2017–present) rotor
  • Rear: 230 mm
Tires
  • Pirelli Diablo Rosso II
  • Front: 110/70ZR17, Rear: 150/60ZR17
Rake, trail23.5°, 89 mm (3.5 in)
Wheelbase1,340 mm (53 in)
Seat height820 mm (32 in)
Weight147 kg (324 lb) (claimed, without fuel)[24] (dry)
  • 150 kg (340 lb) (estimated)[25]
  • 165.3 kg (364.5 lb)[22]
 (wet)
Fuel capacity10 L (2.6 US gal)
Fuel consumption4.17–4.06 L/100 km; 67.7–69.7 mpg‑imp (56.4–58 mpg‑US)[22][23]

A sport bike version of the 390 Duke, the KTM RC 390 was presented at the 2013 EICMA motorcycle show in Italy, though most details had been leaked a few weeks earlier.[10][26] The 2014 model year road racing style bike has the same 373 cc engine making a claimed 44 hp (33 kW) @ 9,500 rpm with a claimed weight without fuel of 147 kg (324 lb). With a fuel capacity 10.0 l; 2.20 imp gal (2.64 US gal), the wet weight would be 150 kg (340 lb).[25][27] The frame of the RC is a different single piece trellis frame than the Duke, which KTM says is stiffer than the 390 Duke.[28] The tires are Metzeler 110/70ZR17 front and 150/60ZR17 rear.[28] Where the Duke has a steering head angle of 65° (or 25° rake), the RC's fork has a steeper 66.5° head angle (or 23.5° rake).[24] The 1,340 mm (53 in) wheelbase is 27 mm (1.1 in) shorter than the Duke. The same ByBre disc brakes with ABS, and WP 43 mm front fork and rear shock are used on the RC 390.[27][28]

KTM added a racing version of the RC 390, the RC 390 Cup for use by motorcycle racers ages 13 to 21 in the ADAC Junior Cup, a MotoGP event. The RC 390 Cup has no lights or mirrors, and no ABS to reduce weight, and an upgraded WP suspension, fully adjustable front and rear. The engine is detuned to a 38 hp (28 kW) with a block-off plate, and has an Akrapovič exhaust.[29][30]

Motorcycle Consumer News test results of the RC 390's power were 30.04 kW (40.29 hp) @ 8,600 rpm and 32.92 N⋅m (24.28 ft⋅lb) torque @ 6,800 rpm, with a wet weight of 165.3 kg (364.5 lb)[22] They found a top speed of 167.4 km/h (104.0 mph), with an acceleration from 0 to 1⁄4 mi (0.00 to 0.40 km) in 14.02 seconds at 147.87 km/h (91.88 mph), 0 to 97 km/h (0 to 60 mph) in 5.53 seconds, and braking from 97 to 0 km/h (60 to 0 mph) in 43.1 m (141.3 ft).[22] The tested fuel economy was 4.17 L/100 km; 67.7 mpg‑imp (56.4 mpg‑US).[22]

Cycle World's road tests of the RC 390 also showed a top speed of 167 km/h (104 mph), but faster acceleration 0 to 1⁄4 mi (0.00 to 0.40 km) in 13.67 seconds at 147.87 km/h (91.88 mph), and from 0 to 97 km/h (0 to 60 mph) in 4.6 seconds. Braking performance and fuel economy were not so far off, at 97 to 0 km/h (60 to 0 mph) in 43.1 m (141.3 ft), and 4.1 L/100 km; 70 mpg‑imp (58 mpg‑US).[23] Cycle Worlds's tested power figure was 29.9 kW (40.1 hp) @ 8,600 rpm, and torque was 34.4 N⋅m (25.4 ft⋅lb).[23]

Motorcycle USA measured acceleration from 0-60 mph in 4.9 seconds and 0 to 1⁄4 mi (0.00 to 0.40 km) in 14.21 seconds for 2015 model. Braking distance was measured at 148.2 feet from 60-0 mph with ABS disabled and 151.7 feet without ABS disabled.[31]

KTM revised the RC 390 in 2017 by adding a slipper clutch, adjustable brake levers, ride-by-wire throttle, a larger 320 mm front brake rotor, larger mirrors, and some cosmetic and ergonomic changes.[32][33]

Notes
  1. "KTM's Laguna assembly plant's operation is now in full swing". topgear.com.ph. Retrieved 2018-09-21.
  2. Malone, Pat (June 2, 2013), "Ditch the Xbox, pipsqueak, and get a taste of orange", Sunday Times (subscription required), London, England, p. 8, retrieved October 12, 2013
  3. Searle, Dave (May 2015), "KTM's 390 Duke", Motorcycle Consumer News, Irvine, California: Aviation News Corp, vol. 46 no. 5, pp. 16–19, ISSN 1073-9408
  4. dePrato, Bruno (November 19, 2012), "2013 KTM 390 Duke – First Look A little roadster with big performance.", Cycle World, retrieved October 12, 2013
  5. Wheeler, Adam (6 May 2013). "Duke 390 Launch Blog Part 4: Little Bike with the Big Heart". KTM Blog (Press release). KTM. Retrieved 28 July 2019.
  6. "KTM 390 Duke Launched at Rs. 1.8 Lakh", Hindustan Times, June 26, 2013, archived from the original on July 31, 2013, retrieved October 12, 2013
  7. Baggonkar, Swaraj (6 February 2013). "Bajaj to be First Indian Auto Firm to Make Bikes for US Roads". Business Standard. Retrieved 23 December 2018.
  8. "KTM 390 Duke revealed", Hindustan Times, September 19, 2012, archived from the original on October 12, 2013, retrieved October 12, 2013
  9. Dunbar, Spurgeon (November 14, 2015), 2015 KTM 390 Duke Review
  10. Edge, Dirck (October 25, 2013), "2014 KTM RC390 Photos and Specs Leak Ahead of Official EICMA Unveil", Motorcycle Daily
  11. Baggonkar, Swaraj (February 11, 2013), "Bajaj to be first Indian auto firm to make bikes for US roads; To produce Duke 390 for partner KTM at Chakan plant; launch next year", Business Standard, retrieved October 12, 2013
  12. Bornhop, Andrew (February 26, 2013), "The New Normal: Will Getting Back to Basics Save Motorcycling? Small displacement, big sales?", Cycle World, retrieved October 12, 2013
  13. Chaudhari, Yuga (June 26, 2013), "Bajaj will ride KTM 390 to 80 countries", Daily News and Analysis, retrieved October 12, 2013
  14. "New KTMs coming 2017, Husqvarnas could follow", MSN, December 2015, archived from the original on 2016-04-24
  15. Baggonkar, Swaraj (May 19, 2010), "Bajaj-KTM bikes to sport Rs 1 lakh-plus tags; You didn't expect high-performance Bajaj-KTMs to come cheap, did you?", Business Standard, archived from the original on September 23, 2015, retrieved October 12, 2013
  16. Burman, Tushar (November 16, 2013), "KTM 390 Duke: First service update", motovore.com
  17. Singh Chauhan, Yatharth (December 21, 2013), "Autocar India Awards- Ford EcoSport and KTM 390 Duke bag 'Car of the Year 2013' and 'Bike of the Year 2013' awards respectively", Motoroids
  18. Datton, Rakesh (January 21, 2014), "KTM Duke 390 Black Colour sales to begin by February end", IndianCarsBikes, retrieved January 23, 2014
  19. Kiser, Jesse; Downs, Jim (August 18, 2015), "Little, Orange and Awesome", RideApart, archived from the original on August 17, 2017
  20. Alexander, Corey. "2017 KTM 390 Duke - First Ride Review". Cycle World. Retrieved 27 July 2018.
  21. https://www.indiatoday.in/auto/auto-news/story/ktm-390-duke-white-is-in-india-gets-new-features-and-updates-1136101-2018-01-11
  22. "2015 KTM RC390 ABS Specifications and Performance Data", Motorcycle Consumer News, Irvine, California: Aviation News Corp, vol. 46 no. 7, p. 21, July 2015, ISSN 1073-9408
  23. Canet, Don (June 2015), "Sweet Spot; The Affordable Sportbike Gets Just Big Enough", Cycle World, Newport Beach, California: Hachette Filipacchi Media U.S., vol. 54 no. 6, pp. 60–66, ISSN 0011-4286
  24. "KTM RC 390 2014" (Press release). KTM. Archived from the original on November 11, 2013. Retrieved November 29, 2013.
  25. Assuming a weight of 6.073 lbs per US gallon. Bell Fuels. "Lead-Free gasoline Material Safety Data Sheet". NOAA. Archived from the original on August 20, 2002. Retrieved July 6, 2008.
  26. "KTM RC390 breaks cover ahead of EICMA", Bike India, October 26, 2013
  27. "KTM EICMA Media Information MY14" (PDF) (Press release). KTM. October 14, 2013.
  28. Beeler, Jensen (November 5, 2013), "Officially Official: 2014 KTM RC390", Asphalt and Rubber
  29. Paris, Melissa (October 1, 2014), "More On The KTM RC 390 Cup Racebike", Roadracing World
  30. "World Premiere: KTM Presents The RC390 Cup! (press release)" (Press release). KTM. November 7, 2013. Archived from the original on December 4, 2014. Retrieved November 28, 2014.
  31. "2015 KTM RC390 Comparison - Motorcycle USA". Motorcycle USA. Retrieved October 1, 2017.
  32. "KTM RC 390 Price (Check Festive Offers), Images, Colours, Mileage & Specs in India @ ZigWheels". ZigWheels. Retrieved October 1, 2017.
  33. Adams, Bradley, "KTM's Updated 2017 RC 390 Looks Sharp As Ever; Now with bigger brakes and wider mirrors", Cycle World

References
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