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2025 KTM 450 SMR Overview
The 2025 KTM 450 SMR is a super motard motorcycle built around 449.9 cc of displacement. Under the tank sits a Four stroke, single cylinder, SOHC, 4 valve engine, a compression ratio of 12.75:1. 2025 KTM 450 SMR delivers 47 kW of peak power. From a practical standpoint, the 2025 450 SMR tips the scales at 108.8 kg, carries a 7.2-litre fuel tank, offers a seat height of 898 mm and spans a 1472 mm wheelbase. Scroll down for the complete 2025 KTM 450 SMR spec sheet covering every technical detail from suspension travel to tyre sizes.
2025 450 SMR - Pros & Cons
Strengths
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Capable power output: At 47 kW, the 450 SMR holds its own against class rivals.
Considerations
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📏
Tall seat height: The 898 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 2025 KTM 450 SMR 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.
450 SMR - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2025 KTM 450 SMR, 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 450 SMR 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 450 SMR. 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.
2025 KTM 450 SMR - Frequently Asked Questions
What engine does the 2025 KTM 450 SMR have?
The 2025 KTM 450 SMR uses a Four stroke, single cylinder, SOHC, 4 valve engine with 449.9 cc of displacement. It is liquid cooled.
How much does the 2025 KTM 450 SMR weigh?
The 2025 KTM 450 SMR weighs 108.8 kg. This is the manufacturer's dry figure.
How much power does the 2025 KTM 450 SMR make?
The 2025 KTM 450 SMR produces 47 kW of power.
What is the fuel tank capacity of the 2025 KTM 450 SMR?
The 2025 KTM 450 SMR has a 7.2-litre fuel tank.
Is the 2025 KTM 450 SMR suitable for shorter riders?
The 2025 KTM 450 SMR has a seat height of 898 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 2025 KTM 450 SMR have?
The 2025 KTM 450 SMR uses Single 310 mm disc with Brembo hydraulics at the front and Single 220mm disc with Brembo hydraulics at the rear.
What tyre sizes does the 2025 KTM 450 SMR use?
The 2025 KTM 450 SMR runs 125/75 x 16.5 front and 165/65 x 17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2025 KTM 450 SMR have?
The 2025 KTM 450 SMR is fitted with a 5 Speed transmission.
KTM 450 SMR Spec Evolution
The KTM 450 SMR was produced across 3 model years (2021-2025). 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 |
2021 |
2022 |
2025 |
| Max Power |
- |
63 hp |
47 kW / 63 hp |
| Dry Weight |
102 kg / 224.8 lbs |
102 kg / 224.8 lbs |
108.8 kg / 239.7 lbs |
| Seat Height |
890 mm / 35 in |
890 mm / 35 in |
898 mm / 35.4 in |
| Fuel Capacity |
7 Litres / 1.85 US gal |
7 Litres / 1.85 US gal |
7.2 Litres / 1.85 US gal |
| Frame Type |
Central double-cradle, chromoly steel with aluminum subframe |
Central double-cradle-type 25CrMo4 steel |
Central double-cradle-type 25CrMo4 steel |
| Wheelbase |
1468 mm ± 10 mm / 57.8 ± 0.4 in |
1468 mm ± 10 mm / 57.8 ± 0.4 in |
1472 mm / 58 in |
| Ground Clearance |
290 mm / 11.4 in |
290 mm / 11.4 in |
281mm / 11.1 in |
| Suspension - Rear |
Linkage-assisted WP Xact shock |
Linkage-assisted WP Xact shock |
Linkage-assisted WP Xact mono shock |
Key Specifications
Engine
Four stroke, single cylinder, SOHC, 4 valve
Weight
108.8 kg / 239.7 lbs
Fuel Capacity
7.2 Litres / 1.85 US gal
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Full 2025 KTM 450 SMR Specifications
Year
2025
Make Model
KTM 450 SMR
Seat Height
898 mm / 35.4 in
Wheelbase
1472 mm / 58 in
Ground Clearance
281mm / 11.1 in
Dry Weight
108.8 kg / 239.7 lbs
Fuel Capacity
7.2 Litres / 1.85 US gal
Displacement
449.9 cc / 27.4 cu-in
Engine Detail
Four stroke, single cylinder, SOHC, 4 valve
Bore x Stroke
95 x 63.4 mm
Compression Ratio
12.75:1
Cooling System
Liquid cooled
Engine Management
Keihin EMS
Exhaust
Aluminum
Fuel Induction
Keihin EFI with 44 mm throttle body
Lubrication
Pressure lubrication with 2 rotor pumps
Starter
Electric
Clutch
Suter slipper clutch with Brembo hydraulics
Final Drive
Chain 5/8 x 1/4
Final Drive Ratio
14:46
Primary Drive Ratios
29:72
Transmission / Drive
5 Speed
Frame Type
Central double-cradle-type 25CrMo4 steel
Suspension - Front
48mm Fully adjustable WP Xact inverted fork
Suspension - Rear
Linkage-assisted WP Xact mono shock
Clamp Offset - Triple
16 mm
Handlebar
Neken 28-22mm diameter w/ ODI grips
Rake
26.1°
Steering Head Angle
63.9°
Wheel Travel - Front
283 mm / 11.1 in
Wheel Travel - Rear
266 mm / 10.5 in
Brakes - Front
Single 310 mm disc with Brembo hydraulics
Brakes - Rear
Single 220mm disc with Brembo hydraulics
Tyres - Front
125/75 x 16.5
Tyres - Rear
165/65 x 17
Wheels - Front
3.5 x 16.5
Wheels - Rear
5.0 x 17
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