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KTM 450 SX-F
2011Off-road

KTM 450 SX-F

Key specifications

Engine
449 cc
Weight
107 kg
Fuel type
petrol
Fuel capacity
2.0 L
Transmission
5-speed
Seat height
39 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2011 KTM 450 SX-F, a true contender in the world of enduro and off-road motorcycles. With a legacy built on performance, reliability, and cutting-edge technology, KTM has established itself as a leader in the off-road segment. The 450 SX-F is designed for serious riders who demand agility and power on rugged terrain, making it an ideal choice for competitive racers and trail enthusiasts alike. Its vibrant orange color, a hallmark of the KTM brand, not only makes a bold statement but also signals the bike's serious intentions in the dirt. At the heart of the 450 SX-F lies a potent single-cylinder, four-stroke engine with a displacement of 449.30 cc. This powerhouse generates a thrilling 12.5:1 compression ratio, ensuring an exhilarating ride with impressive torque and acceleration. The engine is equipped with a Keihin FCR MX 41 carburetor, delivering seamless throttle response that riders crave, especially when navigating through challenging trails or during high-speed sprints. Coupled with a 5-speed gearbox and a wet double disc clutch operated hydraulically, the bike offers smooth gear transitions and enhances overall handling, making it feel light and nimble even in the most demanding conditions. The 2011 KTM 450 SX-F is packed with features that elevate its off-road capabilities. It boasts a central double-cradle-type frame made from 25CrMo4 steel, complemented by an aluminum subframe that reduces weight while maintaining durability. The WP-USD fork at the front provides 300 mm of travel, while the rear WP PDS shock absorber offers an impressive 330 mm, ensuring that the bike can handle rough terrain with ease. The braking system is equally robust, featuring a 260 mm front disc and a 220 mm rear disc for reliable stopping power. With a ground clearance of 371 mm and a seat height of 992 mm, riders will appreciate the bike's ability to navigate obstacles while providing a commanding view of the trail ahead. **

Pros

  • Performance-Oriented Engine: The powerful single-cylinder engine delivers exceptional torque and acceleration, making it perfect for competitive racing and challenging trails.
  • Lightweight and Agile: Weighing in at just 106.9 kg (235.7 pounds), the 450 SX-F offers great maneuverability and agility, allowing riders to easily tackle tight corners and obstacles.
  • Advanced Suspension System: The WP suspension components provide excellent travel and adjustability, ensuring a smooth ride over rough terrain and enhancing overall handling.

Cons

  • Tall Seat Height: With a seat height of 992 mm (39.1 inches), the 450 SX-F may be challenging for shorter riders to manage, especially in tricky off-road situations.
  • Limited Fuel Capacity: The 7.50-litre (1.98 gallons) fuel tank may require frequent stops during long rides, which could be a drawback for endurance riders.
  • Maintenance Requirements: As a high-performance machine, the 450 SX-F demands regular maintenance and tuning to keep it running at peak performance, which might be a consideration for less experienced riders.

Technical details

Source specification data

Make
KTM
Model
450 SX-F
Category
Enduro-offroad
Starter
Electric
Comments
Offroad Competition model
Electrical
12V 3 Ah battery
Color Options
Orange
Clutch
Wet
m
Double
disk clutch, operated hydraulically
Gearbox
5-speed
Fuel System
Carburettor. Keihin FCR MX 41
Bore X Stroke
97.0 x 60.8 mm (3.8 x 2.4 inches)
Compression
12.5:1
Displacement
449.30 ccm (27.42 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Exhaust System
Aluminium
Lubrication System
Pressure lubrication with 3 oil pumps
Valves Per Cylinder
4
Transmission Type Final Drive
Chain
Dry Weight
106.9 kg (235.7 pounds)
Seat Height
992 mm (39.1 inches) If adjustable, lowest setting.
Fuel Capacity
7.50 litres (1.98 gallons)
Ground Clearance
371 mm (14.6 inches)
Rake
26.5°
Rear Tyre
110/90-19
Frame Type
Central
double-cradle-type 25
Mo4
.
Aluminium
subframe.
Front Tyre
80/100-21
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
WP PDS shock absorber
Front Suspension
WP-USD fork
Rear Wheel Travel
330 mm (13.0 inches)
Front Wheel Travel
300 mm (11.8 inches)
Rear Brakes Diameter
220 mm (8.7 inches)
Front Brakes Diameter
260 mm (10.2 inches)

Available colors

Orange