390 Duke 2018 Top Speed
KTM 390 DUKE (2017 - on) Review
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Highlights
- A2 licence friendly, great first big bike
- High spec, superb attention to detail
- Range of Power Parts tuning accessories
MCN AWARDS
Best sub-500cc 2018
WINNER
At a glance
| Owners' reliability rating: | 4.7 out of 5 (4.7/5) |
|---|---|
| Annual servicing cost: | £200 |
| Power: | 44 bhp |
| Seat height: | Medium (32.7 in / 830 mm) |
| Weight: | Low (329 lbs / 149 kg) |
Prices
New £4,699
Used £3,200 - £4,700
Overall rating
Next up: Ride & brakes
5 out of 5 (5/5)
The 2017 KTM Duke 390 raised the A2 licence bar. It's one of the most fun to ride, involving and high quality machines in its class. It's refined, easy to live with, fast, comes with a high level of spec and superb attention to detail.
- Related: KTM out testing bigger 390 Duke
- Related: KTM Duke 390 updated for 2021
There's a whole raft of official Power Parts accessories, too. If you plan for this to be your first 'big' bike you're in for a treat, but even if you're an old hand it won't fail to impress.
KTM completely transformed the 390 Duke for 2017, turning it from merely a good low-capacity naked, to the best machine in the entire A2 licence category. Giving the bike its first major updates since its inception in 2013, the 2017 version offers an unparalleled level of fun, quality and performance for its size.
- Related:See this bike in our best A2 motorcycles article
Gone is the slightly lack lustre quality and styling and in its wake comes a 5.2in full colour dash, illuminated switchgear, brilliant panel fitment and deep glossy paint. Claimed dry weight is just 149kg dry, meaning its 44bhp single-cylinder engine has more than enough poke to achieve a decent level of performance.
For a thumpy single, the engine is impressively long-revving
At the front, the new non-adjustable WP forks are well damped and the four piston radial calipers bite hard, offering enough bite to inspire confidence in the corners. For a thumpy single, the engine is impressively long-revving and remains near-silent in traffic, but at high rpm it transforms into the snarl of a throaty crosser.
Despite its new-rider-friendly ergonomics, the 390 is serious fun. It's capable of a genuine 100mph, you can tempt the Duke into the occasional wheelie and it will back into corners when the ABS is switched to Supermoto mode. To comply with the new stringent Euro4 emission laws, KTM have given this bike a ride-by-wire throttle and a bigger airbox.
- Were you looking for? KTM 390 Adventure review
A side-mounted exhaust also replaces the old stubby underslung unit. This year's bike keeps its slipper clutch, which was added in 2015, and a new chassis also gives the 390 its sharp handling.
Once you've read this review and our owners' reviews, you may want to join an online community to meet likeminded people. There's a popular owners' club for this bike at the KTM Duke 390 Forum.
Ride quality & brakes
Next up: Engine
4 out of 5 (4/5)
As well as a smoother power delivery and more grunt, the new KTM Duke 390 also has sharper handling and more precise steering thanks to a new chassis. The steel trellis frame, which now has a bolt-on subframe and a 690 look-a-like lattice swingarm, has racier geometry and a slightly more canted-forward riding position that shifts more weight on to the front end.
As a result, there's extra feel for what the front end is doing in the corners, but the KTM is still roomy, comfortable and with its straight bars, still has an aggressive, supermoto feel to it.
- Related: MCN's guide to the best first big motorbikes
It's nimble through traffic and has a natural new-rider-friendly riding position for riders big and small. New riders will find it simple to get on with and it's still an impressive machine for the more experienced.
Adding to the sense of big-bike quality is the new WP 43mm upside down forks and single rear shock. KTM reckon they've spent a lot of time developing these units for the new machine and you can tell. Braking is also improved with the old model's four-piston radial Bybre (a subsidiary of Brembo) caliper now gnawing a single disc that's grown from 300 to 320mm.
Engine
Next up: Reliability
5 out of 5 (5/5)
To keep up with Euro 4 regs, the 390 Duke's four-valve 44bhp, 373.2cc single-cylinder motor now has ride-by-wire, a side-mount exhaust, replacing the old stubby underslung item and a bigger airbox. KTM says it makes 5.7% more torque at low rpm.
You also get a slipper clutch (added to the 390 in 2015). It might be small, but the engine is smooth, punchy and there isn't much it can't do in the real world, especially with just 149kg (dry) to push along. It has performance to keep you interested long after you've jumped through the hoops needed to get your full licence.
Reliability & build quality
Next up: Value
4 out of 5 (4/5)
In June 2017 KTM issued a recall of their 125 and 390 Duke motorcycles after it was found that there were some issues with the headlight. The recall will address the issue by carrying out a software update that addresses the issue.
Only time will tell if the new 390 Duke will be more durable than the original, which suffered some reliability and quality issues. The new machine's build quality, paint finish and level of components is much improved, so the signs are good.
Our KTM 390 Duke owners' reviews shows the bike is a lot of fun, but a little costly to run due to expensive servicing and maintenance.
Value vs rivals
Next up: Equipment
4 out of 5 (4/5)
With a vast improvement in build quality, more expensive-feeling components and lots of snazzy standard equipment, the 390 Duke offers the best value for money in the A2 licence class.
A new one will set you back £4699, and used examples are already coming onto the market at a little under £4000.
If you fancy an A2-friendly naked but the KTM isn't your cup of tea, you should consider the Honda CB300R, Kawasaki Z300, BMW G310R or Benelli BN302.
A2 group test: KTM Duke 390 vs Kawasaki Ninja 400 KRT Edition vs Honda CBR500R
First published in MCN 16 May 2016 by Adam Child
When did A2 bikes get so appealing? Turn the clock back 20 years and entry-level bikes were about as exciting as Antiques Roadshow. Remember Honda's CB400 Superdream in the 80s or Suzuki's GS500E in the 90s? I rode those bikes and still shudder now. But today new riders have a plethora of bikes to choose from and with Kawasaki recently launching their new Ninja 400 they've made the decision even harder. So we chose to put it against our class favourites from last year, Honda's
CBR500R and KTM's naked 390 Duke, and subject all three to the unforgiving examination of the MCN250 test route.
And the verdict? There are many reasons why the Kawasaki should win this test. It's the quickest, therefore the most fun. Most preferred its sporty looks and it handles far better than its price suggests. But the catch is that it doesn't have the all-round capabilities of the Honda.
The CBR feels like a bigger bike. Its dimensions are normal-size and it's comfortable, refined, and smooth, offering a huge tank range and excellent fuel economy. If I had to pick one bike to do it all again, I'd pick the CBR. The KTM is tempting, fun and punchy and more
importantly it's over a grand cheaper than the Honda, but if you want a bike for daily use and long trips it falls behind. The Honda wins.
Equipment
4 out of 5 (4/5)
It's the KTM Duke 390's first major overhaul since its launch in 2013 and KTM have left no stone unturned. As well as new styling the fuel tank capacity is up from 11 to 13.4 litres and there's a new two-piece seat, handlebars, adjustable levers, riding modes, ABS and a new 1290 Super Duke R-style LED headlight.
It also has a multi-function glass-fronted 5.2" TFT dash with Bluetooth connectivity. With its superb panel fit and deep paintwork, the Indian-built 390 Duke is every inch the baby 690 Duke R or 1290 Super Duke R.
Specs | |
| Engine size | 373cc |
|---|---|
| Engine type | Liquid-cooled, 4v, single |
| Frame type | Tubular steel Trellis |
| Fuel capacity | 13.4 litres |
| Seat height | 830mm |
| Bike weight | 149kg |
| Front suspension | 43mm WP forks, non-adjustable |
| Rear suspension | Single WP shock, adjustable for preload |
| Front brake | 320mm disc with Bybre four-piston radial caliper. |
| Rear brake | 220mm single disc with single-piston caliper. |
| Front tyre size | 110/70 x 17 |
| Rear tyre size | 150/60 x 17 |
Mpg, costs & insurance | |
| Average fuel consumption | - |
|---|---|
| Annual road tax | £45 |
| Annual service cost | £200 |
| New price | £4,699 |
| Used price | £3,200 - £4,700 |
| Insurance group | - How much to insure? |
| Warranty term | - |
Top speed & performance | |
| Max power | 44 bhp |
|---|---|
| Max torque | 27 ft-lb |
| Top speed | 105 mph |
| 1/4 mile acceleration | - |
| Tank range | - |
Model history & versions
Model history
- 2013: KTM first launched the 390 Duke in 2013. The 373cc single-cylinder A2-licence-friendly machine is an overnight success for KTM.
- 2017: Model updated.
Other versions
The KTM 390 Duke is part of a range of machines to cater for riders of all levels and licences. The KTM 125 Duke is the learner legal version, but still has a big bike feel. Above the 390 you find the KTM 690 Duke, a fully-grown version with 72.5bhp but the same lightness and flickability as the others.
MCN Long term test reports
Spied: KTM out testing a bigger 390 Duke
KTM are testing an updated 390 Duke which appears to be physically larger to suit a wider range of riders. Small capacity bikes are big business, not just in Europe but around the world. Unlike years gone by when little bikes were favoured by new riders, many older riders are now turning their atten…
Read the latest report
Owners' reviews for the KTM 390 DUKE (2017 - on)
7 owners have reviewed their KTM 390 DUKE (2017 - on) and rated it in a number of areas. Read what they have to say and what they like and dislike about the bike below.
Review your KTM 390 DUKE (2017 - on)
Summary of owners' reviews | |
| Overall rating: | 5 out of 5 (5/5) |
|---|---|
| Ride quality & brakes: | 4.6 out of 5 (4.6/5) |
| Engine: | 4.7 out of 5 (4.7/5) |
| Reliability & build quality: | 4.7 out of 5 (4.7/5) |
| Value vs rivals: | 4 out of 5 (4/5) |
| Equipment: | 4.1 out of 5 (4.1/5) |
| Annual servicing cost: | £200 |
5 out of 5 A little bike with big fun factor!
13 October 2021
Year: 2018
After riding big bikes including a KTM990 a few years ago, I was looking for a lightweight bike for a change. I had ridden a hired Duke 200 in India which was a lot of fun to ride; out of proportion to the engine size. I test rode a KTM 390 Wow it was a blast to ride and pretty quick too. I was a surprised at the performance and handling. So I bought a low milage 2018 model.
Ride quality & brakes 5 out of 5
Briliant handling and comfort better than I expected. I've ridden for up to 8 hours with breaks every 2-3 hours and not been fatigued. Brakes are surprisingly good for a single disc.
Engine 5 out of 5
Great performance from the smooth single; its a revvy motor with a noticeable power band make it so much fun to use. It has the typical KTM rattle which is all part of the character. it can be a little snatchy in traffic but not enough to be annoying.
Reliability & build quality 5 out of 5
As a 3 year old bike its in great condition and far better quality than could be expected for a bike made in India. I've had no issues in 2000miles; but would not expect anything. Although not a fault, the only negative is the noisy fan wich is embarrassingly loud and cuts in at only 50% on the temp gauge.
Value vs rivals 5 out of 5
I cant say anything about service costs; but its going to be a lot cheaper to service than my ex KTM 990 Adventure. Tax is cheap and fuel consumption is around 70mpg
Equipment 3 out of 5
Its a basic bike with ABS . The LCD display I am not too enthusiastic about but the info is useful. its dissipating that there is no power port or heated grip option.
Buying experience: It was a private sale for £3250. That was a great deal for a bike with less than 4000 miles and as it just had the first MOT and service.
5 out of 5 The best little bike on the block.
05 July 2021 by Lee Etherington
Year: 2020
Giant killer ! On real roads this little gem will show a clean pair of wheels to many a bigger bike.
Ride quality & brakes 4 out of 5
More than adequate brakes, handling slightly upset on bumpy roads due to unadjustable budget forks and shock, but great for the price.
Engine 4 out of 5
Great performance when ridden hard, but slightly uneven at low speeds.
Reliability & build quality 5 out of 5
Excellent build quality, has not missed a beat.
Value vs rivals 4 out of 5
Equipment 4 out of 5
Good TFT screen, excellent lights, Bluetooth connection.
Buying experience: Bought from Jim Aime KTM in Essex. Great deal , price matched with extras thrown in.
5 out of 5 Easily the Most Fun bike for the price
23 May 2021 by Frank
Version: Orange
Year: 2020
I worked in the MC industry and have demoed all sorts of naked and supermoto bikes over the years, from CRF250s and 701SMs to Tuonos and Superdukes. I wanted a fun bike for the city and I can honestly say that for around town at semi legal speeds to about 100kph this is probably the most fun bike I've ever ridden. When cost is taken into account there is no comparison.
Ride quality & brakes 5 out of 5
Best for blasting around the city by yourself for a couple of hours. My favourite features are the light weight and fun punchy engine, firm handling and slick gearbox. A city supermoto for half the price of a 450 SM conversion and won't vibrate you to death on the highway.
Engine 5 out of 5
Punchy and very smooth to redline. No real vibes. Pretty amazing really. Super slick shifting easy clutch pull and slipper clutch.
Reliability & build quality 4 out of 5
Seems to have a glitch with the oil pressure sensor coming on and off occasionally. Some oil seep but no leaks. Not perfect but no sign. issues so far. 2 yr warranty here so I wouldn't be worried.
Value vs rivals 5 out of 5
Oil change and check at 1000km
Equipment 5 out of 5
Really nicely equipped even compared to some middleweight naked. Upside down forks, radial front caliper, slipper clutch, light controls, ride by wire, great TFT screen, LEDs, trellis frame, awesome styling, orange wheels!!I didn't by a small bike to get attention but it get thumbs up all the time from riders and non riders because of the distinctive looks. Pretty cool considering again it's price.
Buying experience: Bought used as a 3 month trade from a new rider who wanted something bigger...Saved about $2500 after freight, fees and taxes on a like new bike with 1300 km so I was really happy.
5 out of 5 Great things come in orange
11 May 2021 by Paxo
Year: 2020
Delivers the same fun as my old Monster, its comfortable, fast enough, good value and would highly recommend.
Ride quality & brakes 5 out of 5
Just been out on it for 5 hours and only had one very brief stop. No numb bum, room to move around on the seat and could have ridden it all day.
Engine 5 out of 5
Enough poke to put a smile on my face up to 70/80 mph and happy to cruise at 65/70 and enjoy the ride.
Reliability & build quality 5 out of 5
I keep it in the garage and only use it for fun in the dry and after a 1,000 miles its still like new.
Value vs rivals 4 out of 5
Had to pay for its 1st service at 600 miles after running in. Cost £160 which i think is high.
Equipment 4 out of 5
In this country shouldn't all bikes have heated grips as standard !
Buying experience: Bought from Cooperized KTM in Feltham on pcp for £4,290
5 out of 5 Want big fun on a small budget. Get a KTM 390 Duke
17 April 2021 by Fowlers Rides
Year: 2017
Annual servicing cost: £200
I fell in love with the little 390 when I first saw the latest model and at the time I owned a Fireblade and was looking to change to a naked bike. Not knowing if this was the right thing to do I bought the little KTM and kept the blade as well. Instead of buying a larger naked bike. All I can say is 4 years on I still love the little KTM and I've replaced the blade with a more comfy Z1000SX but for most rides it's the 390 I want to be. It's just so much fun. If you can only afford one bike just for blasting around local back roads or commuting look no further. It's that good
Ride quality & brakes 4 out of 5
It is a good all round bike but I've changed the seats to the ergo ones to make it more comfy on long trips which it is(a bit) With a pillion you do need to work it a bit to make fast progress but it's more than capable. I'm even thinking of doing a tour on it to see how it copes. being a naked small bike it's not great on duel carriageways or motorways. Over 70 the wind pressure is pretty bad on my chest. I added a powerparts small screen but this was no help.
Engine 5 out of 5
For it's size the engine is great it fly's on and makes you want to hammer it everywhere too. it does run out of puff about 100mph though but the wind pressure stops you getting to that speed anyway.
Reliability & build quality 4 out of 5
It still looks good but as the bike lives outside I have noticed a few tiny spots of rust starting to appear. Also had trouble staring it recently but after a battery charge all was good again which I'm glad of as the TFT was saying all sorts of issues were happening.
Value vs rivals 3 out of 5
I think the last service was over £200 and I'm not quite sure what was done for that money but I like to keep a main dealer service history up if I can.
Equipment 5 out of 5
I paid £4600 new and was amazed what you get with this good looking little bike. The TFT is great and I've got it connected to my phone too.(you have to pay extra for this feature) and the suspension and brakes may not be top quality but work fine. I own a little fiesta ST which is a great fun car and this really is the motorcycle equivalent.
Buying experience: No issues. Sadly the dealer I bought from no longer sells KTM but there's on in Exeter now where I take it to be serviced
5 out of 5 KTM 390 it's an animal
02 October 2020 by KTM oldy
Year: 2018
So light and nimble
Ride quality & brakes 4 out of 5
Brakes fantastic, ride bit choppy on front but sure footed. Changes direction easily gives lots of confidence on lanes but can be bumpy on front and through handlebars
Engine 5 out of 5
For a single pot it's brilliant, goes well bit of an animal.
Reliability & build quality 5 out of 5
Keep an eye on oil levels, no leaks but does use oil, even from dealers insufficient oil in bike, no dipstick just sight glass and no easy to see. Be aware of dash faults (condensation) and fuel metering set too lean ,can cause stalling when new, dealers have no cure and no software upgrades
Value vs rivals 3 out of 5
As usual dealers are expensive and confusing in regard as to what should be carried out at services. KTM are no help as they refer you to dealers
Equipment 4 out of 5
Needs centre stand, hazards, handguards.
Buying experience: Dealer 4995 , did a deal on 2.
5 out of 5 KTM Duke 2:year test
10 April 2020 by 390oldie
Year: 2018
Great fun , bit of an animal, light, love it if
Ride quality & brakes 5 out of 5
Choppy on front end, too stiff? Brakes brilliant.
Engine 4 out of 5
Needs to be smoother at bottom of rev range, possible too lean to meet current regs Needs different engine maps avaiable.
Reliability & build quality 5 out of 5
Value vs rivals 4 out of 5
Tappets , shims, at 3000 expensive.
Equipment 4 out of 5
No hazzards, switch gear clunky,
Buying experience: Dealers
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Source: https://www.motorcyclenews.com/bike-reviews/ktm/390-duke/2017/
