KTM 450 SMR - 2008 Specifications and Reviews

The 2008 KTM 450 SMR is a high-performance supermoto built for aggressive riders seeking street-focused thrills. Its potent single-cylinder engine delivers strong mid-range torque ideal for urban ripping and light track use. Known for nimble handling and responsive power delivery, it remains a benchmark machine for supermoto enthusiasts.

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General information

CategorySuper motard
Year2008
ModelKTM 450 SMR

Engine and Transmission Specifications

ClutchAPTC Antihopping, operated hydraulically
Transmission typefinal driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication systemPressure lubrication
StarterKick
IgnitionKokusan digital
Fuel controlDOHC
Valves per cylinder4
Fuel systemCarburettor. Keihin MX FCR 41
Bore x stroke97.0 x 60.8 mm (3.8 x 2.4 inches)
Compression12.5:1
Torque95.00
Stroke4
Engine typeSingle cylinder
Capacity:449.30 ccm (27.42 cubic inches)

Physical measures and capacities

Wheelbase1,475 mm (58.1 inches)
Ground clearance300 mm (11.8 inches)
Seat height855 mm (33.7 inches) If adjustable, lowest setting.
Dry weight111.5 kg (245.8 pounds)
 
 

KTM 450 SMR dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter310 mm (12.2 inches)
Front brakesSingle disc
Rear tyre dimensions170/55-17
Front tyre dimensions125/80-20
Rear suspension travel310 mm (12.2 inches)
Rear suspensionWP monoshock PDS
Front suspension travel280 mm (11.0 inches)
Front suspensionWP USD
Trail119 mm (4.7 inches)
Rake (fork angle)26.5°
Frame typeDouble ground, chrommoly-steel frame, powder-coated

Speed and acceleration

Fuel capacity8.20 litres (2.17 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track92%
City25%
Cornering97%
Daily Riding15%
Touring8%
Passenger5%

Rider Profile

Best ForThis is a supermoto built for experienced riders who are already comfortable with a tall, light, single-cylinder machine that demands active input.
PurposeIt exists purely to carve up tight tarmac circuits and technical mixed-surface courses with razor-sharp direction changes, not to cover distance or haul gear.
Rider FitThe tall 898mm seat height, minimal weight at 109.3kg, and aggressive ergonomics reward a fit, confident rider who can move around the bike and manage a punchy single-cylinder power delivery.
CharacterExpect an explosive, visceral character with instant throttle response, flickable handling, and a chassis that thrives on aggressive lean angles and hard braking into corners.
Not Ideal ForThis bike is not for beginners, commuters, passengers, or anyone seeking comfort, wind protection, or long-distance touring capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2008 KTM 450 SMR Rider Ergonomics Assessment

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Feet:

At 855mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2008 KTM 450 SMR, with a relaxed knee angle of around 135 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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