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Motocross Bikes

2003KTM 50 Mini Adventure

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The 2003 KTM 50 Mini Adventure is a motocross bike for riders who want competitive off-road and track performance. Its 50cc air-cooled single makes 5.4 hp, with a 555 mm seat, a 38 kg dry weight and a 2-litre tank.

Capacity
49.9 ccm
Engine
Single, two-stroke
Gearbox
Not on record
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Dry weight
37.8 kg
Seat height
555 mm
Power
5.4 HP (4.0 kW)
⇄ Compare with another bike + Add to garage All model years
Other years 2003 2004 2005 2006 2007

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 1Agility 66Comfort 20Off-road 55Touring 5Road manners 10
Off-road & trail55%
Cornering30%
City riding10%
Daily riding5%
Touring3%
Two-up0%
Track5%
Best for
Built for off-road and motocross-style riding on tracks and closed terrain rather than public roads.
Built for
A motocross bike from KTM with a 50cc engine; its character is easy-going and economical, with 5 hp on tap.
Not ideal for
Not road-legal in most markets and not for commuting or touring.

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 555mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2003 KTM 50 Mini Adventure, with a cramped knee angle of around 45 degrees and a slightly forward 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.

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Full specifications

Engine
Capacity
49.9 ccm
Power
5.4 HP (4.0 kW)
Engine type
Single, two-stroke
Power/weight ratio
0.1429 HP/kg (dry)
Bore x stroke
39.5 x 40.0 mm
Cooling system
Air
Fuel system
Carburettor
Starting
Kick
Ignition
Seletra analogue
Lubrication system
0,15- 0,2 l Motorex ATF Super
Torque
Not on record - add it
Transmission
Transmission type
Automatic
Final drive
Chain
Clutch
Centrifugal clutch (adjustable)
Dimensions & weight
Wheelbase
905 mm
Seat height
555 mm
Dry weight
37.8 kg
Fuel capacity
2.00 litres
Ground clearance
190 mm
Chassis & suspension
Frame
Central double-cradle-type frame
Front suspension
Marzocchi 32 mm
Rear suspension
Paioli MC 30 monoshock
Front wheel travel
120 mm
Rear wheel travel
185 mm
Rake (fork angle)
24.0°
Trail
74 mm
Brakes & wheels
Front brakes
Expanding brake (drum brake)
Front brakes diameter
216 mm
Rear brakes
Expanding brake (drum brake)
Rear brakes diameter
216 mm
Front tyre
2.50-10
Rear tyre
2.50-10

Specs last verified against published sources: .

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 20032004200520062007
Capacity 50 cc 49 cc 49 cc 49 cc 49 cc
Dry weight 38 kg 38 kg 38 kg 38 kg 38 kg
Seat height 555 mm 550 mm 530 mm 530 mm 530 mm
Fuel capacity 2 L 2 L 2 L 2 L 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 50 Mini Adventure?

The 2003 KTM 50 Mini Adventure has a Capacity of 49.9 ccm (3.05 cubic inches).

What engine power does the KTM 50 Mini Adventure have?

The 2003 KTM 50 Mini Adventure has a Power of 5.4 HP (4.0 kW).

How much does the KTM 50 Mini Adventure weigh?

The 2003 KTM 50 Mini Adventure has a Dry weight of 37.8 kg (83.3 pounds).

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