2003 KTM 525 SX Model

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4Strokes
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2003 KTM 525 SX Model

Postby 4Strokes » Tue Jun 27, 2017 8:25 am

03sx525.jpg
2003 KTM 525 SX (Supercross/Motocross) Model

Extensive efforts have boosted the performance level of this engine.

Engine Specifications
Type: 4-stroke, single-cylinder, liquid-cooled, 4 V / OHC with roller rocker lever
Bore / Stroke: 95 / 72 mm
Piston displacement: 510.4cc
Compression ratio: 11:1
Carburetor: Keihin MX FCR 41
Starter system: kick-starter
Lubrication system: pressure lubrication with 2 Eaton pumps
Silencer: aluminum
Ignition type: Kokusan digital 4K-3A

Transmission Specifications
Clutch: Wet multi-disc type, hydraulically operated
Transmission: 4-speed
Primary ratio: 33:76
Final ratio: 3.429 (48/14)

Chassis Specifications
Frame/subframe: chromium molybdenum / aluminum
Front suspension: WP-USD 48/d=26 MA/PA
Rear suspension: WP-PDS-shock absorber DA
Rake: 63.5º
Trail: 112 mm (4.41 in.)
Susp. travel, fr/rr: 300 mm/11.8 inches / 335 mm/13.2 inches
Front brake: 260 mm / 10.2" disc
Rear brake: 220mm/8.65" disc
Rim, front/rear: 1.6 x21"; 2.15 x 19" Excel
Tire, front/rear: 80/100-21";110/90-19"

Capacities
Fuel tank: 7 L (1.9 gal.)

Dimension and Dry Mass
Wheelbase: 1481 mm (57.3 in.)
Ground clearance: 380 mm (15 in.)
Seat height: 925 mm (36.4 in.)
Dry mass: 107 kg (242.2 lbs.)

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