KTM 450 EXC Specs (Top Speed | Horsepower | Weight)

The KTM 450 EXC motorcycle specifications include a 449.3 cc (27.42 cu in) engine, a 6-speed gearbox, and a listed weight of 113.9 kg (251.1 lb).

Key specifications

2009-2016Model years
449 ccDisplacement
113.9 kgDry weight
985 mmSeat height
9 LFuel tank
1,475 mmWheelbase
380 mmGround clearance
Model years covered
20092010201120122013201420152016
Year-specific specification changes

The 2009 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Compression ratio
201211.8:1
Dry weight
2012111 kg (244.7 lb)
2013112 kg (246.9 lb)
20142016111 kg (244.7 lb)
Final drive
201115:45 (13:52). Primary drive: 33:76.
Frame
2011Central double-cradle-type 25CrMo4 steel. Subframe: Aluminium.
2012Central double-cradle-type 25CrMo4. Subframe: Aluminium.
20132015Central tube frame made of chrome molybdenum steel tubing
2016Chrome-molybdenum steel central-tube frame
Front brakes
20152016Single disc. Brake calipers on floating bearings
Front suspension
2010WP USD Ø 48 mm (1.89
2011WP USD 48 mm (1.89 in)
2012WP-USD 48 mm
20132015WP Suspension Up Side Down 4860 MXMA PA
Fuel system
2012Injection. Keihin EFI, flow restrictor 42 mm
20152016Injection
Rear brakes
20152016Single disc. Brake calipers on floating bearings
Rear suspension
2012WP-PDS shock absorber
20132015WP Suspension PDS 5018 DCC
Wheelbase
201220161,482 mm (58.3 inches)
Clutch
20102011Wet mDouble disk clutch, operated hydraulically
2012Wet mDouble disk clutch, Brembo hydraulics
20132015Wet multi-disc clutch / hydraulically operated
2016Wet, DDS multi-disc clutch, Brembo hydraulics
Front wheel travel
2011185 mm (7.3 inches)
Fuel capacity
201020129.50 L (2.51 US gal)
Fuel control
2010Single Overhead Cams (SOHC)
Ground clearance
20122016345 mm (13.6 inches)
Ignition
2012Keihin EMS
20132015Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
2016Keihin EMS
Lubrication
2012Pressure lubrication with 2 oil pumps
20132015Forced oil lubrication with 2 Eaton pumps
Rear wheel travel
2011185 mm (7.3 inches)
Seat height
20122016970 mm (38.2 inches)

How the KTM 450 EXC compares

This compares the motorcycle with all KTM models in this specifications database. The blue marker is this model and the grey line is the KTM database average.

Displacement449 cc
Low 49 ccAverage 444 ccHigh 1,301 cc

Very close to the KTM database average. Around the 62nd percentile across KTM models.

Seat height985 mm
Low 607 mmAverage 895 mmHigh 992 mm

About 10% taller than the KTM database average. Around the 95th percentile across KTM models.

Fuel capacity9 L
Low 2 LAverage 10.6 LHigh 23 L

About 15% smaller than the KTM database average. Around the 48th percentile across KTM models.

This model KTM database average

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 449 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,475 mmSeat 985 mmClearance 380 mm
6-speed • Chain (final drive) • 90/90-21 front / 140/80-18 rear

Additional useful specifications

Front tire size 90/90-21
Rear tire size 140/80-18
Front tire width 90 mm
Front tire aspect ratio 90%
Front rim diameter 21 in
Rear tire width 140 mm
Rear tire aspect ratio 80%
Rear rim diameter 18 in
Bore/stroke ratio 1.50:1 (Oversquare)

Model information

Category Enduro / offroad

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 449.3 cc (27.42 cu in)
Bore × stroke 95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression ratio 11.9:1
Valves per cylinder 4
Cooling system Liquid
Fuel system Carburettor. Keihin FCR-MX 39
Fuel control Overhead Cams (OHC)
Ignition Kokusan
Starter Electric & kick
Lubrication Pressure lubrication with 3 oil pumps

Transmission and drivetrain

Gearbox 6-speed
Final drive Chain (final drive)
Clutch Wet multi-disc clutch, operated hydraulically

Chassis and suspension

Frame Central double-cradle-type 25CrMo4 steel
Front suspension WP USD, 48 mm
Rear suspension WP PDS shock absorber
Front wheel travel 300 mm (11.8 inches)
Rear wheel travel 335 mm (13.2 inches)
Rake 26.5°

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 90/90-21
Rear tire 140/80-18

Dimensions and weight

Dry weight 113.9 kg (251.1 lb)
Seat height 985 mm (38.8 inches)
Wheelbase 1,475 mm (58.1 inches)
Ground clearance 380 mm (15.0 inches)

Fuel and emissions

Fuel capacity 9.00 L (2.38 US gal)

Other specifications

Exhaust system Aluminium

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.