The KTM 450 EXC: a game-changer for dual-purpose riders. For years, manufacturers have been forced to compromise between on-road and off-road performance, resulting in bikes that excel at neither. But KTM’s innovative Racing Four-Stroke (RFS) technology has changed the game.
With its single cylinder, SOHC design and 4 valves per cylinder, the 450 EXC engine is a masterclass in balance and responsiveness. This is a bike that’s designed to devour the rough stuff, with a keen sense of agility and a willingness to dance across the terrain.
But what truly sets the 450 EXC apart is its on-road behavior. With a smooth power delivery and a well-balanced chassis, this bike is just as happy to cruise down the highway as it is to tackle the toughest trails. And with its compact size and light weight, it’s the perfect companion for those who live for the freedom of the open road and the thrill of the unknown.
The KTM 450 EXC is more than just a bike – it’s an experience. It’s a declaration of independence from the rules and regulations that have long stifled the creativity of dual-purpose riders. With the 450 EXC, the road and the trail are no longer mutually exclusive – they’re one and the same.
Key Specifications
Engine Type
Four stroke, single cylinder, SOHC, 4 valves per cylinder
Engine Capacity
27.42 cubic inches / 447.9 cc
Fuel Tank Capacity
2.4 US gallons / 9.0 L
Seat Height
38.7 inches / 970 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
KTM 450 EXC
Year
2003 – 2004
Engine
Engine Type
Four stroke, single cylinder, SOHC, 4 valves per cylinder
Displacement
27.42 cubic inches / 447.9 cc
Bore x Stroke
89 x 72 mm
Compression Ratio
11.9:1
Engine Management System
Keihin MX FCR 39 carburetor
Lubrication System
Pressure lubrication with 3 Eaton pumps
Performance
Top Speed
n/a
*n/a – information not provided by manufacturer
Transmission
Clutch
Wet multi-disc clutch, operated hydraulically
Gearbox
6 Speed
Final Drive
Chain
Electrical & Electronics System
Starter
Electric & kick
Chassis & Suspension
Front Suspension
WP 48 mm upside-down fork
Front Suspension Travel
11.8 inches / 300 mm
Rear Suspension
WP-PDS shock absorber
Rear Suspension Travel
13.2 inches / 335 mm
Wheels & Brakes
Front Tire Size
90/90 – 21
Rear Tire Size
140/80 – 18
Front Brakes
Single 260mm disc
Rear Brakes
Single 220mm disc
Dimension & Weights
Seat Height
38.7 inches / 970 mm
Wheelbase
58.3 inches / 1481 mm
Ground Clearance
380 mm / 15.0 in
Fuel Tank Capacity
2.4 US gallons / 9.0 L
Dry Weight
113.5 kg / 250.2 lbs
Features
Four-stroke, single cylinder engine
SOHC design
4 valves per cylinder
Street-legal in all 50 states
Based on the Racing Four-Stroke (RFS) line
Designed for both on-road and off-road use
450cc displacement
525cc displacement
Liquid-cooled engine
Bosch fuel injection
6-speed transmission
Weight of 242 pounds (450 EXC)
Weight of 264 pounds (525 EXC)
21-inch front wheel
18-inch rear wheel
Pro-Link suspension
11.8 inches of ground clearance
1.5-gallon fuel tank
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*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
