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Motocross Bikes

2008KTM 250 SX

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The 2008 KTM 250 SX is a lightweight single-cylinder two-stroke enduro bike designed for amateur and intermediate off-road riders seeking an accessible entry into competitive motocross and trail riding. Known for its responsive handling and nimble character, the 250 SX delivers manageable power through a liquid-cooled engine paired with a five-speed transmission, making it ideal for riders developing technique on varied terrain. Its 95.4 kg dry weight and hydraulic clutch provide excellent control and agility in technical conditions.

Capacity
249.0 ccm
Engine
Single, two-stroke
Gearbox
5-speed
Dry weight
95.4 kg
Seat height
960 mm
Power
24.9 HP (18.3 kW)

What’s new for the 2008 KTM 250 SX

vs the 2007
Spec20072008
Dry weight 97.7 kg (215.4 pounds) 95.4 kg (210.3 pounds)
Seat height 925 mm (36.4 inches) 960 mm (37.8 inches)
Other years 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 44Agility 78Comfort 30Off-road 98Touring 10Road manners 15
Off-road & trail98%
Cornering90%
City riding5%
Daily riding5%
Touring8%
Two-up0%
Track85%
Best for
Built purely for motocross track riding and racing, not for street use or general transportation.
Built for
Sharp, explosive, and razor-agile, this bike rewards aggressive riding and precise throttle control with rapid acceleration bursts and flickable handling.
Not ideal for
This is not suitable for commuting, touring, carrying passengers, or riders seeking a comfortable, low-maintenance everyday motorcycle.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 960mm, a rider of 175cm with a 79cm (estimated) inseam will not reach the ground comfortably on the 2008 KTM 250 SX, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine
Capacity
249.0 ccm
Power
24.9 HP (18.3 kW)
Engine type
Single, two-stroke
Power/weight ratio
0.2610 HP/kg (dry)
Bore x stroke
66.4 x 72.0 mm
Cooling system
Liquid
Fuel system
Carburettor
Starting
Kick
Ignition
Kokusan digital magneto CDI
Lubrication system
Mixture oil lubrication 1:60
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multi-disc clutch, operated hydraulically
Dimensions & weight
Wheelbase
1475 mm
Seat height
960 mm
Dry weight
95.4 kg
Fuel capacity
7.50 litres
Ground clearance
385 mm
Chassis & suspension
Frame
Central double-cradle-type 25CrMo4
Front suspension
WP USD 48 mm
Rear suspension
WP monoshock PDS
Front wheel travel
300 mm
Rear wheel travel
335 mm
Rake (fork angle)
26.5°
Trail
116 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
260 mm
Rear brakes
Single disc
Rear brakes diameter
220 mm
Front tyre
80/100-21
Rear tyre
110/90-19

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 200020072008201420202027
Capacity 249 cc 249 cc 249 cc 249 cc 249 cc 249 cc
Dry weight 101 kg 98 kg 95 kg 96 kg 96 kg 96 kg
Seat height 925 mm 925 mm 960 mm 992 mm 950 mm 958 mm
Fuel capacity 7.5 L 7.5 L 7.5 L 7.5 L 7.5 L 7.2 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the KTM 250 SX?

The 2008 KTM 250 SX has a Capacity of 249.0 ccm (15.19 cubic inches).

What engine power does the KTM 250 SX have?

The 2008 KTM 250 SX has a Power of 24.9 HP (18.3 kW).

How many gears does the KTM 250 SX have?

The 2008 KTM 250 SX has a Gearbox of 5-speed.

How much does the KTM 250 SX weigh?

The 2008 KTM 250 SX has a Dry weight of 95.4 kg (210.3 pounds).

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