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2013 KTM 450 SX-F Overview
The 2013 KTM 450 SX-F is a cross / motocross motorcycle built around 449.30 cc of displacement. Under the tank sits a Single cylinder, four-stroke engine running Single Overhead Cams (SOHC) valve actuation, a compression ratio of 10.6:1. The bore and stroke measures 95 x 63.4 mm. 2013 KTM 450 SX-F delivers 9.20 Nm @ 7000 Revolutions of torque. From a practical standpoint, the 2013 450 SX-F tips the scales at 106.2 kg, carries a 7.50-litre fuel tank, offers a seat height of 992 mm and spans a 1,495 mm wheelbase. That's roughly 7.6 kg heavier than the average cross / motocross motorcycle in our database. Scroll down for the complete 2013 KTM 450 SX-F spec sheet covering every technical detail from suspension travel to tyre sizes.
2013 450 SX-F - Pros & Cons
Strengths
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Factory engineering: The 2013 KTM 450 SX-F represents KTM's engineering at the time, with a specification built around real-world usability.
Considerations
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Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.
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Tall seat height: The 992 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
Carburetor maintenance
The 450 SX-F uses carburetion rather than fuel injection, which means jetting is altitude- and temperature-sensitive and benefits from a clean-and-rejet after extended storage or an exhaust change.
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. Four-piston calipers. 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 ?Suspension Up Side Down 4860 MXMA CC and WP ?Suspension 5018 BAVP DCC 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 Central tubular frame made from chrome molybdenum steel tubes - 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 106.2 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 2013 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.
Carburetor upkeep
Keep the carburetors clean and free of deposits. If the 450 SX-F has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.
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.
2013 KTM 450 SX-F - Frequently Asked Questions
What engine does the 2013 KTM 450 SX-F have?
The 2013 KTM 450 SX-F uses a Single cylinder, four-stroke engine with 449.30 cc of displacement.
How much does the 2013 KTM 450 SX-F weigh?
The 2013 KTM 450 SX-F weighs 106.2 kg. This is the manufacturer's dry figure.
How much power does the 2013 KTM 450 SX-F make?
The 2013 KTM 450 SX-F produces 9.20 Nm @ 7000 Revolutions of torque.
What is the fuel tank capacity of the 2013 KTM 450 SX-F?
The 2013 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 2013 KTM 450 SX-F suitable for shorter riders?
The 2013 KTM 450 SX-F has a seat height of 992 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 2013 KTM 450 SX-F have?
The 2013 KTM 450 SX-F uses Single disc. Four-piston calipers. at the front and Single disc. Two-piston calipers. at the rear.
What tyre sizes does the 2013 KTM 450 SX-F use?
The 2013 KTM 450 SX-F runs 100/80-17 front and 110/80-17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
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
9.20 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 7000 Revolutions
Top Speed
Not published by manufacturer
Weight
106.2 kg / 234.1 lbs
Fuel Capacity
7.50 litres / 1.98 gallons
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Full 2013 KTM 450 SX-F Specifications
Ground Clearance (mm)
375 mm
Ground Clearance (in.)
14.8 inches
Seat Height
992 mm / 39.1 in.
Wheelbase
1,495 mm / 58.9 in.
Height
1,140 mm / 44.9 in.
Length
2,090 mm / 82.3 in.
Width
830 mm / 32.7 in.
Dry Weight
106.2 kg / 234.1 lbs
Fuel Capacity
7.50 litres / 1.98 gallons
Fuel Control
Single Overhead Cams (SOHC)
Engine Type
Single cylinder, four-stroke
Displacement (ci)
27.42 cubic inches
Displacement (cc)
449.30 cc
Bore x Stroke (mm)
95.0 x 63.4 mm
Bore x Stroke (in,)
3.7 x 2.5 inches
Fuel System
Carburettor
Compression Ratio
10.6:1
Engine Lubrication
Pressure circulation lubrication with two Eaton pumps
Ignition
Contactless controlled fully electronic ignition with digital ignition adjustment
Starter
Electric
Valve System
2
Clutch
Multidisc clutch in oil bath/hydraulically activated
Final Drive
Chain
Gearbox
4-speed
Primary Drive
5/8 x 1/4
Frame Type
Central tubular frame made from chrome molybdenum steel tubes
Suspension - Front
WP ?Suspension Up Side Down 4860 MXMA CC
Suspension - Rear
WP ?Suspension 5018 BAVP DCC
Rake
26.5°
Wheel Travel - Front
205 mm / 8.1 in.
Wheel Travel - Rear
185 mm / 7.3 in.
Brakes - Front Diameter (in.)
8.7 inches
Brakes - Front Diameter (mm)
220 mm
Brakes - Rear Diameter (in.)
8.3 inches
Brakes - Rear Diameter (mm)
210 mm
Brakes - Front
Single disc. Four-piston calipers.
Brakes - Rear
Single disc. Two-piston calipers.
Tyres - Front
100/80-17
Tyres - Rear
110/80-17
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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