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2021 KTM 890 Duke R Overview
The 2021 KTM 890 Duke R is a sport motorcycle built around 889 cc of displacement. Under the tank sits a Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder engine, a compression ratio of 13.5:1. 2021 KTM 890 Duke R delivers 121 hp @ 9250 rpm of peak power and 99 Nm @ 7750 rpm of torque. From a practical standpoint, the 2021 890 Duke R tips the scales at 166 kg, carries a 14-litre fuel tank, offers a seat height of 834 mm and spans a 1481 mm wheelbase. Scroll down for the complete 2021 KTM 890 Duke R spec sheet covering every technical detail from suspension travel to tyre sizes.
2021 890 Duke R - Pros & Cons
Strengths
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Strong power output: 2021 KTM 890 Duke R makes 121 hp @ 9250 rpm with 99 Nm @ 7750 rpm of torque - competitive figures for its class.
Considerations
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Tall seat height: The 834 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Owner Experiences & Common Issues
General ownership notes
The 2021 KTM 890 Duke R has built a reputation for solid everyday reliability when serviced to schedule. As with any motorcycle of this era, documented service history is the single biggest indicator of long-term reliability when buying used.
890 Duke R - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2021 KTM 890 Duke R, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained 890 Duke R should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any 890 Duke R. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
2021 KTM 890 Duke R - Frequently Asked Questions
What engine does the 2021 KTM 890 Duke R have?
The 2021 KTM 890 Duke R uses a Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder engine with 889 cc of displacement. It is liquid cooled with water/oil heat exchanger.
How much does the 2021 KTM 890 Duke R weigh?
The 2021 KTM 890 Duke R weighs 166 kg. This is the manufacturer's dry figure.
How much power does the 2021 KTM 890 Duke R make?
The 2021 KTM 890 Duke R produces 121 hp @ 9250 rpm of power and 99 Nm @ 7750 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2021 KTM 890 Duke R?
The 2021 KTM 890 Duke R has a 14-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 233-280 km between stops.
Is the 2021 KTM 890 Duke R suitable for shorter riders?
The 2021 KTM 890 Duke R has a seat height of 834 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2021 KTM 890 Duke R have?
The 2021 KTM 890 Duke R uses 2x 320mm discs, Brembo Stylema monobloc 4 piston, radially mounted caliper at the front and Single 240mm disc, Brembo 1 piston floating calliper at the rear.
What tyre sizes does the 2021 KTM 890 Duke R use?
The 2021 KTM 890 Duke R runs 120/70 ZR 17 front and 180/55 ZR 17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2021 KTM 890 Duke R have?
The 2021 KTM 890 Duke R is fitted with a 6 Speed transmission.
KTM 890 Duke R Spec Evolution
The KTM 890 Duke R was produced across 3 model years (2020-2022). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2020 |
2021 |
2022 |
| Max Power |
89 kW / 119 hp @ 9250 rpm |
121 hp / 89 kW @ 9250 rpm |
121 hp / 89 kW @ 9250 rpm |
| Displacement |
890 cc / 54.3 cu-in |
889 cc / 54.2 cu-in |
889 cc / 54.2 cu-in |
| Brakes - Front |
2x 320mm discs, Brembo Stylema Monobloc four piston, radially mounted caliper |
2x 320mm discs, Brembo Stylema monobloc 4 piston, radially mounted caliper |
2x 320mm discs, Brembo Stylema monobloc 4 piston, radially mounted caliper |
| Wheelbase |
1482 mm ± 15 mm |
1481 mm / 58.3 in |
1481 mm / 58.3 in |
| Brakes - Rear |
Single 240mm disc, Brembo single-piston floating calliper |
Single 240mm disc, Brembo 1 piston floating calliper |
Single 240mm disc, Brembo 1 piston floating calliper |
| Suspension - Rear |
WP APEX shock absorber with preload adjuster |
WP APEX Monoshock |
WP APEX Monoshock |
| ABS |
Two-channel Bosch 9.1 MP ABS (incl. Cornering ABS and Supermoto mode Disengegable) |
Bosch 9.1 MP (incl. Cornering ABS and Supermoto mode) |
Bosch 9.1 MP (incl. Cornering ABS and Supermoto mode) |
| Rake |
24° |
24.3° |
24.3° |
Key Specifications
Engine
Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Power
121 hp / 89 kW @ 9250 rpm
Torque
99 Nm / 73 lb-ft @ 7750 rpm
Fuel Capacity
14 Litres / 3.7 US gal
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Full 2021 KTM 890 Duke R Specifications
Year
2021
Make Model
KTM 890 Duke R
Seat Height
834 mm / 32.8 in
Wheelbase
1481 mm / 58.3 in
Ground Clearance
206 mm / 8.1 in
Dry Weight
166 kg / 366 lbs
Fuel Capacity
14 Litres / 3.7 US gal
Displacement
889 cc / 54.2 cu-in
Engine Detail
Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Bore x Stroke
90.7 x 68.8 mm
Compression Ratio
13.5:1
Cooling System
Liquid cooled with water/oil heat exchanger
Emissions
EURO5
Engine Management
Bosch EMS with RBW
Exhaust
Stainless steel primary and secondary silencer
Fuel Induction
DKK Dell'Orto fuel-Injection throttle body 46mm
Lubrication
Forced oil lubrication with 2 oil pumps
Starter
Electric
Clutch
PASC antihopping clutch, mechanically operated
Final Drive
Chain 520 X-Ring
Transmission / Drive
6 Speed
Frame Type
Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated
Suspension - Front
43mm WP APEX upside-down forks
Suspension - Rear
WP APEX Monoshock
Rake
24.3°
Steering Head Angle
65.7°
Trail
99.7 mm / 3.9 in
Wheel Travel - Front
140 mm / 5.5 in
Wheel Travel - Rear
150 mm / 5.9 in
Brakes - Front
2x 320mm discs, Brembo Stylema monobloc 4 piston, radially mounted caliper
Brakes - Rear
Single 240mm disc, Brembo 1 piston floating calliper
ABS
Bosch 9.1 MP (incl. Cornering ABS and Supermoto mode)
Tyres - Front
120/70 ZR 17
Tyres - Rear
180/55 ZR 17
Wheels - Front
Cast aluminium wheels 3.50 X 17
Wheels - Rear
Cast aluminium wheels 5.50 X 17
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