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2022 KTM 450 SX-F Overview
The 2022 KTM 450 SX-F is a cross / motocross motorcycle built around 449.3 cc of displacement. Under the tank sits a Single cylinder, four-stroke engine running Single Overhead Cams (SOHC) valve actuation. The bore and stroke measures 95 x 63.4 mm. From a practical standpoint, the 2022 450 SX-F tips the scales at 100.5 kg, carries a 7.50-litre fuel tank, offers a seat height of 950 mm and spans a 1485 mm wheelbase. Scroll down for the complete 2022 KTM 450 SX-F spec sheet covering every technical detail from suspension travel to tyre sizes.
2022 450 SX-F - Pros & Cons
Strengths
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Fuel injection: The fuel injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
Considerations
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📏
Tall seat height: The 950 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
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⛽
Modest fuel capacity: The 7.50-litre tank means more frequent fuel stops on longer rides, which is worth planning around on touring routes.
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⚙️
Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.
Wear Points & Servicing Notes
Fuelling & injector care
Fuelling comes from fuel injection. Systems like this are largely maintenance-free beyond keeping fuel quality decent and injectors clear - a fuel-system cleaner every service interval is cheap insurance.
Valve clearance checks
Single Overhead Cams (SOHC) valve actuation on the 450 SX-F means clearances should be checked at the manufacturer's specified interval - they can tighten as mileage accumulates, and a light top-end tick is usually the first sign.
Brake disc and pad wear
The Single disc. Brake calipers on floating bearings front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.
Suspension condition on used examples
Up front, the 450 SX-F runs WP XACT-USD, Ø 48 mm and WP XACT Monoshock with linkage at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.
Final drive maintenance
Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.
Frame & chassis check
The frame is 25CrMo4 steel central-tube - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.
Low-speed handling
At just 100.5 kg, the 450 SX-F is light enough to manhandle easily at a standstill - one of the practical advantages of its class.
450 SX-F - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2022 KTM 450 SX-F, 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 SX-F 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 SX-F. 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.
Fuel system care
The 450 SX-F's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used 450 SX-F. A bike with clearances out of spec doesn't always feel obviously wrong - but tight clearances accelerate valve seat wear. Ask for service documentation proving it's been done.
2022 KTM 450 SX-F - Frequently Asked Questions
What engine does the 2022 KTM 450 SX-F have?
The 2022 KTM 450 SX-F uses a Single cylinder, four-stroke engine with 449.3 cc of displacement.
How much does the 2022 KTM 450 SX-F weigh?
The 2022 KTM 450 SX-F weighs 100.5 kg. This is the manufacturer's dry figure.
What is the fuel tank capacity of the 2022 KTM 450 SX-F?
The 2022 KTM 450 SX-F has a 7.50-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 125-150 km between stops.
Is the 2022 KTM 450 SX-F suitable for shorter riders?
The 2022 KTM 450 SX-F has a seat height of 950 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 2022 KTM 450 SX-F have?
The 2022 KTM 450 SX-F uses Single disc. Brake calipers on floating bearings at the front and Single disc. Brake calipers on floating bearings at the rear.
What fuel system does the 2022 KTM 450 SX-F use?
The 2022 KTM 450 SX-F uses Injection, providing precise fuelling across the rev range and reliable cold-start behaviour.
What suspension does the 2022 KTM 450 SX-F have?
The 2022 KTM 450 SX-F uses WP XACT-USD, Ø 48 mm up front and WP XACT Monoshock with linkage at the rear.
KTM 450 SX-F Spec Evolution
The KTM 450 SX-F was produced across 16 model years (2007-2023). 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 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2015 |
2016 |
2017 |
2018 |
2019 |
2020 |
2021 |
2022 |
2023 |
| Dry Weight |
104 kg / 229.3 lbs |
104.6 kg / 230.6 lbs |
104.6 kg / 230.6 lbs |
104.6 kg / 230.6 lbs |
106.9 kg / 235.7 lbs |
107.8 kg / 237.7 lbs |
106.2 kg / 234.1 lbs |
105.5 kg / 232.6 lbs |
100.4 kg / 221.3 lbs |
100.2 kg / 220.9 lbs |
100.2 kg / 220.9 lbs |
100 kg / 220.5 lbs |
100 kg / 220.5 lbs |
100 kg / 220.5 lbs |
100.5 kg / 221.6 lbs |
102.6 kg / 226.2 lbs |
| Engine Type |
Single cylinder |
Single cylinder |
Single cylinder |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
Single cylinder, four-stroke |
| Seat Height |
925 mm / 36.4 in. |
960 mm / 37.8 in. |
985 mm / 38.8 in. |
985 mm / 38.8 in. |
992 mm / 39.1 in. |
992 mm / 39.1 in. |
992 mm / 39.1 in. |
992 mm / 39.1 in. |
960 mm / 37.8 in. |
960 mm / 37.8 in. |
960 mm / 37.8 in. |
960 mm / 37.8 in. |
950 mm / 37.4 in. |
950 mm / 37.4 in. |
950 mm / 37.4 in. |
958 mm / 37.7 in. |
| Fuel Capacity |
8.00 litres / 2.11 gallons |
8.20 litres / 2.17 gallons |
8.00 litres / 2.11 gallons |
8.00 litres / 2.11 gallons |
7.50 litres / 1.98 gallons |
7.50 litres / 1.98 gallons |
7.50 litres / 1.98 gallons |
7.50 litres / 1.98 gallons |
7.00 litres / 1.85 gallons |
7.00 litres / 1.85 gallons |
7.00 litres / 1.85 gallons |
7.00 litres / 1.85 US gallons |
7.00 litres / 1.85 US gallons |
7.00 litres / 1.85 US gallons |
7.50 litres / 1.98 US gallons |
7.20 litres / 1.90 US gallons |
| Bore x Stroke (in,) |
3.8 x 2.4 inches |
3.8 x 2.4 inches |
3.8 x 2.4 inches |
3.8 x 2.4 inches |
3.8 x 2.4 inches |
3.8 x 2.4 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
3.7 x 2.5 inches |
| Bore x Stroke (mm) |
97.0 x 60.8 mm |
97.0 x 60.8 mm |
97.0 x 60.8 mm |
97.0 x 60.8 mm |
97.0 x 60.8 mm |
97.0 x 60.8 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
95.0 x 63.4 mm |
| Displacement (cc) |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.3 cc |
449.3 cc |
449.3 cc |
449.3 cc |
449.9 cc |
| Displacement (ci) |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.45 cubic inches |
Key Specifications
Engine
Single cylinder, four-stroke
Power
Not published by manufacturer
Torque
Not published by manufacturer
Top Speed
Not published by manufacturer
Weight
100.5 kg / 221.6 lbs
Fuel Capacity
7.50 litres / 1.98 US gallons
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Full 2022 KTM 450 SX-F Specifications
Colours
Orange/white/blue
Ground Clearance (in.)
14.8 inches
Ground Clearance (mm)
375 mm
Seat Height
950 mm / 37.4 in.
Wheelbase
1485 mm / 58.5 in.
Dry Weight
100.5 kg / 221.6 lbs
Fuel Capacity
7.50 litres / 1.98 US gallons
Bore x Stroke (in,)
3.7 x 2.5 inches
Bore x Stroke (mm)
95.0 x 63.4 mm
Displacement (cc)
449.3 cc
Displacement (ci)
27.42 cubic inches
Engine Type
Single cylinder, four-stroke
Fuel Control
Single Overhead Cams (SOHC)
Fuel System
Injection
Ignition
Keihin EMS
Starter
Electric
Clutch
Wet, DDS multi-disc clutch, Brembo hydraulics
Final Drive
Chain (final drive)
Gearbox
5-speed
Primary Drive
5/8 x 1/4 chain
Frame Type
25CrMo4 steel central-tube
Suspension - Front
WP XACT-USD, Ø 48 mm
Suspension - Rear
WP XACT Monoshock with linkage
Rake
26.1°
Wheel Travel - Front
310 mm / 12.2 in.
Wheel Travel - Rear
300 mm / 11.8 in.
Brakes - Front
Single disc. Brake calipers on floating bearings
Brakes - Rear
Single disc. Brake calipers on floating bearings
Rims
CNC machined hubs. Excel rims. Wire spoked.
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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