Back to Bike FinderYears: 2005 · 2004 · 2003
KTM 525 SX Racing
2005Off-road

KTM 525 SX Racing

Key specifications

Engine
510 cc
Weight
106 kg
Fuel type
petrol
Fuel capacity
1.9 L
Transmission
4-speed
Seat height
36 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2005 KTM 525 SX Racing motorcycle, a powerhouse designed for those who crave adrenaline and competition. As part of KTM's formidable line-up in the cross-motocross category, this bike exemplifies the brand's commitment to performance and reliability. With its aggressive styling and lightweight chassis, the 525 SX stands out as a go-to choice for motocross enthusiasts and racers alike, eager to tackle the toughest tracks and most challenging terrains with confidence. At the heart of the 525 SX is a robust 510.40 ccm single-cylinder, four-stroke engine that churns out impressive power and torque. With a compression ratio of 11.0:1 and a meticulously engineered bore and stroke of 95.0 x 72.0 mm, this beast delivers exhilarating acceleration and a thrilling riding experience. The Keihin MX FCR 41 carburetor ensures instant throttle response, while the Kokusan digital ignition system guarantees optimal performance. Coupled with a 4-speed gearbox and a hydraulic wet multi-disc clutch, the bike offers seamless shifting and unmatched control on the track. The liquid cooling system keeps temperatures in check, allowing for consistent performance even during the most intense rides. The 2005 KTM 525 SX Racing is not just about raw power; it also boasts advanced technology and features that enhance its performance capabilities. Built on a robust chromium molybdenum frame, the bike offers superior rigidity and durability while keeping weight down to just 106 kg (233.7 lbs). The front suspension, featuring WP-USD 48 mm forks, and the rear WP-PDS shock absorber provide exceptional handling and stability, allowing riders to navigate rough terrains with ease. Additionally, the braking system is equipped with single discs both front and rear, ensuring reliable stopping power. With a ground clearance of 380 mm and a seat height of 925 mm, the 525 SX is designed for aggressive riding positions and optimal maneuverability. **

Pros

  • Powerful Engine: The single-cylinder, four-stroke engine provides explosive acceleration and impressive torque, perfect for competitive motocross.
  • Lightweight Design: At only 106 kg, the bike is agile and easy to maneuver, giving riders an edge on tight tracks.
  • Advanced Suspension: The WP suspension system offers excellent handling and stability, making it capable of absorbing impacts from jumps and rough terrain.

Cons

  • Kick Start Only: The absence of an electric start may be a drawback for some riders, especially in challenging conditions.
  • Tall Seat Height: With a seat height of 925 mm, it may not be suitable for shorter riders or those seeking a more accessible ride.
  • Limited Fuel Capacity: The 7.00-litre fuel tank may require frequent refueling during long rides or events, which could be inconvenient during races.

Technical details

Source specification data

Make
KTM
Model
525 SX Racing
Category
Cross-motocross
Starter
Kick
Clutch
Wet multi-disc clutch, operated hydraulically
Gearbox
4-speed
Ignition
Kokusan digital 4K-3A
Fuel System
Carburettor. Keihin MX FCR 41
Bore X Stroke
95.0 x 72.0 mm (3.7 x 2.8 inches)
Compression
11.0:1
Displacement
510.40 ccm (31.14 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Lubrication System
Pressure lubrication with 2 Eaton pumps
Transmission Type Final Drive
Chain
Dry Weight
106.0 kg (233.7 pounds)
Seat Height
925 mm (36.4 inches) If adjustable, lowest setting.
Fuel Capacity
7.00 litres (1.85 gallons)
Overall Width
525 mm (20.7 inches)
Overall Height
525 mm (20.7 inches)
Ground Clearance
380 mm (15.0 inches)
Rake
26.5°
Trail
112 mm (4.4 inches)
Frame Type
chromium molybdenum
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
WP-PDS shock absorber
Front Suspension
WP-USD 48 mm (1.89´)
Rear Wheel Travel
335 mm (13.2 inches)
Rear Brakes Diameter
260 mm (10.2 inches)
Front Brakes Diameter
216 mm (8.5 inches)