Motocross Bikes

2003Honda CR 125 R

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The 2003 Honda CR 125 R is a lightweight 125cc motocross bike designed for junior and amateur riders seeking competitive performance on the track. Known for its reliable single-cylinder two-stroke engine and nimble handling, it delivers excellent acceleration and maneuverability in a compact package. Its low seat height and minimal weight make it accessible for younger or smaller-framed competitors.

Capacity: 124.8 ccm
Engine: Single, two-stroke
Gearbox: 5-speed
Dry weight: 87.5 kg
Seat height: 949 mm
Power: 15.0 HP (11.0 kW)

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What’s new for the 2003 Honda CR 125 R

vs the 2002

Spec	2002	2003
Fuel capacity	9.10 litres (2.40 US gallons)	7.70 litres (2.03 US gallons)
Rear suspension	Monoshock	Pro-Link Kayaba single-shock with spring-preload, 30-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (18 positions) and high-speed (2 turns).
Compression	8.7:1	8.9:1

Other years 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail97%

Cornering90%

City riding5%

Daily riding5%

Touring3%

Two-up0%

Track85%

Best for: Built purely for motocross racing on prepared tracks, not for street or general recreational use.
Built for: A raw, lightweight two-stroke race weapon that rewards aggressive, skilled riding with explosive acceleration and razor-sharp handling.
Not ideal for: Not suitable for beginners, commuters, or anyone seeking comfort, passenger capability, or road-going practicality.

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

Will it fit you?

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Your height

Inseam (optional)

Units

At 949mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2003 Honda CR 125 R, 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 →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 124.8 ccm
Power: 15.0 HP (11.0 kW)
Engine type: Single, two-stroke
Power/weight ratio: 0.1714 HP/kg (dry)
Bore x stroke: 54.0 x 54.5 mm
Compression: 8.9:1
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet plate

Dimensions & weight

Wheelbase: 1459 mm
Overall length: 2162 mm
Overall width: 823 mm
Overall height: 1200 mm
Seat height: 949 mm
Dry weight: 87.5 kg
Fuel capacity: 7.70 litres
Ground clearance: 348 mm

Chassis & suspension

Front suspension: 46mm inverted Kayaba cartridge fork with 18-position rebound- and 20-position compression-damping adjustability.
Rear suspension: Pro-Link Kayaba single-shock with spring-preload, 30-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (18 positions) and high-speed (2 turns).
Front wheel travel: 305 mm
Rear wheel travel: 318 mm
Rake (fork angle): 29.5°
Trail: 101 mm

Brakes & wheels

Front brakes: Single disc
Front brakes diameter: 240 mm
Rear brakes: Single disc
Rear brakes diameter: 240 mm
Front tyre: 80/100-21
Rear tyre: 100/90-19

Specs last verified against published sources: October 2026.

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	1983	1989	1995	2001	2003	2007
Capacity	124 cc	125 cc	125 cc	125 cc	125 cc	125 cc
Dry weight	86 kg	86 kg	86 kg	86 kg	88 kg	89 kg
Seat height	930 mm	930 mm	930 mm	930 mm	949 mm	947 mm
Fuel capacity	6 L	6 L	6 L	6 L	7.7 L	7.6 L