What category is the 2018 KTM 450 SX-F?

The 2018 KTM 450 SX-F has a Category of Cross / motocross.

What is the engine size of the 2018 KTM 450 SX-F?

The 2018 KTM 450 SX-F has a Capacity: of 449.30 ccm (27.42 cubic inches).

What type of engine does the 2018 KTM 450 SX-F have?

The 2018 KTM 450 SX-F has a Engine type of Single cylinder, four-stroke.

Is the 2018 KTM 450 SX-F air cooled or liquid cooled?

The 2018 KTM 450 SX-F has a Cooling system of Liquid.

How many gears does the 2018 KTM 450 SX-F have?

The 2018 KTM 450 SX-F has a Gearbox of 4-speed.

How much does the 2018 KTM 450 SX-F weigh?

The 2018 KTM 450 SX-F has a Dry weight of 100.2 kg (220.9 pounds).

What is the seat height of the 2018 KTM 450 SX-F?

The 2018 KTM 450 SX-F has a Seat height of 960 mm (37.8 inches) If adjustable, lowest setting..

KTM 450 SX-F - 2018 Specifications and Reviews

Name: 2018 KTM 450 SX-F
Brand: KTM

The 2018 KTM 450 SX-F is a high-performance four-stroke motocross bike engineered for competitive riders and serious enthusiasts. It combines lightweight construction at 100.2 kg with aggressive handling and powerful braking performance, featuring Brembo hydraulics and a responsive electric-start 450cc engine. Best known for dominating competitive off-road racing with its precision handling and reliability.

⇄ Compare against another bike 📅 All Years

2018

❮❯

Add/Upload pictures for this motorcycle

General information
Category	Cross / motocross
Year	2018
Model	KTM 450 SX-F
Engine and Transmission Specifications
Driveline	5/8 x 1/4
Clutch	Wet, DDS multi-disc clutch, Brembo hydraulics
Transmission type,final drive	Chain
Gearbox	4-speed
Cooling system	Liquid
Ignition	Keihin EMS
Fuel control	Single Overhead Cams (SOHC)
Fuel system	Injection
Bore x Stroke	95.0 x 63.4 mm (3.7 x 2.5 inches)
Engine type	Single cylinder, four-stroke
Capacity:	449.30 ccm (27.42 cubic inches)

Brakes, suspension, Frame and wheels
Wheels	CNC machined hubs. Excel rims. Wire spoked.
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc. Brake calipers on floating bearings
Front brakes diameter	260 mm (10.2 inches)
Front brakes	Single disc. Brake calipers on floating bearings
Rear wheel travel	300 mm (11.8 inches)
Rear Suspension	WP shock absorber with linkage
Front wheel travel	300 mm (11.8 inches)
Front Suspension	WP-USD, AER 48, Ø 48 mm
Rake (fork angle)	26.5°
Frame type	25CrMo4 steel central-tube frame

Physical measures and capacities
Fuel capacity	7.00 litres (1.85 gallons)
Wheelbase	1,485 mm (58.5 inches)
Ground clearance	370 mm (14.6 inches)
Seat height	960 mm (37.8 inches) If adjustable, lowest setting.
Dry weight	100.2 kg (220.9 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Electrical	Lightweight 495 g lithium-ion starter battery
Starter	Electric
Color options	Orange/white/black

Performance Profile & Rider Fit

Best For

Track92%

City10%

Cornering90%

Daily Riding15%

Touring10%

Passenger5%

Rider Profile

Best For	This is a purebred motocross machine best suited to experienced off-road or competitive riders, not beginners.
Purpose	Built for motocross racing and aggressive off-road riding on tracks and rough terrain.
Rider Fit	The tall 958 mm seat height, high ground clearance, and firm suspension demand strong rider fitness and confident bike control.
Character	A light, explosive, high-revving single-cylinder racer that rewards aggressive input with razor-sharp agility and jump-ready suspension.
Not Ideal For	This bike is not suited to riders wanting a comfortable commuter, long-distance tourer, or a passenger-friendly ride.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 KTM 450 SX-F Rider Ergonomics Assessment

Your height

Inseam (optional)

Units

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 960mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2018 KTM 450 SX-F, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

Find bikes that fit your height →

Shop This Bike

Find Parts for the KTM 450 SX-F 2018 Find One For Sale

Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2018 KTM 450 SX-F is a top-of-the-line motocross bike that delivers impressive performance and handling. With a powerful 450cc engine and a lightweight chassis, this motorcycle offers a thrilling riding experience both on the track and off-road. The advanced suspension and braking components provide precise control, allowing riders to tackle any terrain with confidence. Additionally, the ergonomic design and comfortable seat make long rides more enjoyable. Overall, the 2018 KTM 450 SX-F is a fantastic choice for riders who are looking for a high-performance motocross bike. In conclusion, the 2018 KTM 450 SX-F is a superior motocross bike that offers powerful performance, exceptional handling, and comfortable ergonomics. Whether you're a professional racer or a weekend warrior, this motorcycle is sure to satisfy your need for speed and adventure. With its advanced engineering and top-notch components, the 2018 KTM 450 SX-F is a machine that exceeds expectations and delivers an exhilarating ride every time.