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You are here: Home / Motorcycle Reviews / KTM Motorcycles / 2017 KTM RC 390 Long Term Owner’s Review

2017 KTM RC 390 Long Term Owner’s Review

By James Banks Bikemod Logo Icon Published on July 17, 2022

2017 KTM RC 390 Side Logo

Welcome to my long-term KTM RC 390 review. It has been six months since I purchased my used 2017 KTM RC 390. Over that time, I’ve clocked just over 2,000kms — most of which has been spirited street riding.

In this review, I’ll answer your questions about reliability, performance and what it is like to live with. So, if you are considering purchasing a new or used RC 390, this is the review for you.

Is it a good motorcycle?

Prior to owning my RC 390, I spent a considerable amount of time riding a Honda CBR600RR, CBR300R & CRF250. Throughout my provision licence, I rode the CBR300R. When I got my open licence, I upgraded to the 600RR.

2017 KTM RC 390 Review: Left Side View

The reality soon dawned on me that I upgraded to the 600RR too soon. I spent most of my time on the 300R commuting with the odd-highway pull. When it came to cornering, I had no idea how to position my body properly, let alone how to get a knee down.

What put me onto the RC 390 is I wanted a forgiving bike that I could use to learn how to corner fast on. Since pulling the trigger and buying one, I have to say, it’s been one of the best decisions I’ve made so far on my motorcycling journey.

2017 KTM RC 390 Review: Rear Right Side View

I’m blessed to be living close to some of the best riding roads in Australia. Almost every weekend, I’m out on my RC 390 practising the craft of cornering a motorcycle on my local mountain road.

It is here where my motorcycle riding skills truly transformed.

When I had the 600RR, I was scared that I was going to send it straight off the side of the mountain. With the RC 390, I don’t have that fear anymore as the power is much more manageable for my level of skill.

2017 KTM RC 390 Review: Front Right Side View

If you already own a supersport or a superbike then yes, the RC 390 will feel slow. However, if you are like me, and want a bike that will teach you how to ride fast then I don’t think there’s a better sportbike on the market other than the RC 390.

Is it reliable?

The biggest thing that turns people away from buying RC 390s is their reliability record. A quick Google search will uncover horror stories of low-kilometre motorcycles blowing their head gaskets.

However, if you spent a bit more time digging, you’ll realise this issue mostly affects the first generation of RC 390 produced from 2014 – 2016. For the 2017 model year, KTM revised the engine design in an effort to fix the head gaskets from going kaboom.

2017 KTM RC 390 with Bridgestone S22 tires
Replacing the stock Metzeler Sportec M5s with Bridgestone Battlax S22s transformed the bike’s handling.

So far, my engine has not skipped a single beat. With now over 10,000kms on the clock, it isn’t exactly a new engine either. And whenever I ride the bike, I certainly do not go gentle on the engine.

If you want a reliable KTM RC 390, stick to the 2017 model year bikes and up. So far, I haven’t had a single reliability issue with my motorbike.

Is it uncomfortable?

Let’s make one thing clear – do not buy the RC 390 if comfort is high on your pecking order. Out of all of the modern sub-600cc sports bikes, it has by far the most aggressive riding position.

2014 KTM RC 390 Rider's triangle
Although you are not as leant over as you would be on an R6, you are not too far off.

The clip ons are low and the footpegs are high. I can last for about an hour on the bike before I start to lose feeling in my back and quads.

2013 Yamaha R6 rider's triange

However, the committed riding position makes this motorcycle unbelievably fun to throw around twisty roads. I’ve yet to take it to the track, but I know these characteristics will even be further amplified in that kind of environment.

Is it a good beginner or entry-level bike?

Before purchasing my 2017 RC 390, I had a couple of years of riding experience under my belt. Safe to say that I wasn’t exactly a beginner when it came to motorcycle riding.

If you are wanting to purchase your very first bike, I personally would not recommend the RC 390. The bike’s application is too narrow for beginner riders who need a versatile do-it-all kind of bike. If you are not riding the bike flat out through the mountains or at your local track, it’s pretty horrible to live with.

Buying an RC 390 makes sense if:

  • You are wanting to upgrade from your first bike

  • Your first bike isn’t a modern sports bike

  • You’re not looking for a commuter

  • Most of your time spent doing short-distance spirited street rides and track days

How fast does it go?

For street use, the KTM RC 390 has almost the perfect amount of speed. One of the biggest things that I love about the bike is how it makes it power. The torque delivery is almost instant and remains constant throughout the powerband. This is unlike the R3 and Ninja 400 where torque begins to fall off after 9,000 rpms.

2017 KTM RC 390 horsepower dyno chart
Power is on par with the Ninja 400 and a noticeable step up from the Yamaha R3. [Source]

The powerband is particularly useful if plan on riding the bike through tight twisty mountain roads. Reaching peak torque lower in the RPM band allows you to accelerate faster out of corners. That way, you can focus less on shifting gears and more on your braking and cornering.

2017 KTM RC 390 torque dyno chart
Note the gradual torque drop-off from about 9,000 RPM to 12,000 RPM for both the Ninja 400 and R3.

In terms of top speed, I’ve maxed out the bike at 163KM/hour which I believe is the electronically limited top speed.

What other sportbikes compare to it?

The RC 390 is an oddball in the class of sub-600cc sportbikes. No other manufacturer is making a modern sub-600cc sportbike as committed and uncompromising as the KTM RC390. The closest sportbike competitors would be the Yamaha R3 and Ninja 400.

I test rode both of these motorcycles before I decided to purchase the KTM. Both the R3 and Ninja felt more like sports tourers where you sit ‘in’ the bike as opposed to on top with the KTM. The seating position makes a big difference when it comes to cornering.

I’ve found that unless you have your body leaning over the front of the KTM, the bike feels somewhat twitchy and unsettled while cornering. As I mentioned before, the KTM teaches you how to ride fast by almost forcing you to ride it like how a Moto3 rider would. It holds a candle true to KTM’s tagline ‘ready to race’.

2015 Yamaha R3 rider's triangle
I found the Yamaha R3’s seating position more akin to a sports tourer rather than a sports bike.

In summary, although you could compare the R3 and Ninja to the KTM on spec sheets, they feel totally different in the real world. If you are considering any one of these sportbikes, I highly recommend you test ride all of them before you lay your hard-earned coin down.

For example, I was convinced that the Ninja was going to be the bike for me until I rode it. I hated how the fuel tank felt against my body and I felt much more comfortable on the KTM.

How does it perform on the track?

My next step with my bike is to take it out on track for a track day. I’ll update this post to include my experience once I have done so. I may also consider converting the bike into a track bike in future.

New updated 2022 KTM RC 390 model

2022 KTM RC 390 Orange Black Colourway

If you are considering purchasing an RC 390, the new 2022 model has received the biggest overhaul since the bike was first launched. The 2022 model addresses many of the previous generation’s weaknesses, such as:

  • The 1995 Gameboy-Esque dash has been replaced with a full-colour TFF unit

  • Significant addition of electronics. The bike now comes equipped with cornering ABS and traction control, supermoto mode & bi-directional quickshifter

  • Increased torque thanks to a larger airbox and revised engine mapping

  • A fully adjustable WP Apex suspension front fork now comes fitted standard with compression and rebound damping

  • The rear monoshock has been upgraded to the WP Apex model with preload and rebound adjustment

  • New wheels save a massive 3.4kgs in unsprung weight.

  • An additional 1.4kgs has been shaved off the revised trellis frame

2022 KTM RC 390 Blue Orange Colourway

I purchased my 2017 RC 390 with around 8,000KMs on the clock for $4,000 AUD off a private seller. The 2022 KTM RC 390 goes for about twice that price. Is it twice the bike of the previous generation? Not really. But, if you want to buy new, it offers the best value for money out of all sub-600cc sportbikes on the market today.

2022 KTM RC 390 Blue Orange Front and Rear

Table of Contents

Is it a good motorcycle?

Is it reliable?

Is it uncomfortable?

Is it a good beginner bike?

How fast does it go?

What other sportbikes compare?

How does it perform on the track?

2022 KTM RC 390

2017 KTM RC 390 Specs


2017 KTM RC 390 Specs

Key Details
Claimed rear wheel power32kW (44 hp) @ 9500rpm
Claimed torque35Nm (25.8 lb ft) @ 7500rpm
Claimed top speed169km/hr (105 miles/hr)
Claimed quarter mile13.16 seconds
Rev range limit10,500 rpm
Wet weight147kg (324 lbs)
ChassisSteel trellis frame
Wheelbase1340mm (53″)
Fuel tank size10 litres/3.6 gallons
Fuel range290km (180 miles)
Transmission
GearboxSix-speed
ClutchPower-assist slipper clutch
Suspension
Front suspensionNon-adjustable 43mm WP suspension inverted fork
Front suspension travel125mm
Rear suspensionStepped preload adjustable WP suspension monoshock
Rear suspension travel150mm
Wheels & tyres
WheelsCast aluminium, ten-spoke
Front tyres110/70 – 17 Metzeler Sportec M5
Rear tyres150/60 – 17 Metzeler Sportec M5
Engine
ConfigurationLiquid-cooled single-cylinder engine
Displacement373cc
Compression12.5:1
Bore x stroke89 x 60mm
Throttleride by wire
Brakes
Front brakesFour piston single Bybre caliper
Front brake disc320mm disc rotor
Rear brakeSingle piston Bybre caliper
Rear brake disc230mm disc rotor
Electronics
ABSBosch 9MB Two Channel front and rear ABS. No cornering ABS.
Traction controlNo traction control equipped
InstrumentsTFT dash multi-function display
Ergonomics
Rake trail88 mm
Seat height820 mm
Ground clearance178.5 mm

About James Banks

James Banks is your fellow motorcycle-obsessed editor-in-chief of Bikemod. When he's not penning articles for this site, he's throwing his KTM RC 390 over The Great Dividing Range or trying to make it go faster.

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