2003Triumph Daytona 955I

★ 5.0

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The 2003 Triumph Daytona 955i is a middleweight sport bike designed for experienced riders seeking nimble handling and strong mid-range performance. Its 955cc three-cylinder engine delivers 149 horsepower with distinctive character and responsive throttle feel. Known for excellent cornering ability and British engineering, it appeals to enthusiasts prioritizing agility over raw power.

Capacity: 955.0 ccm
Engine: In-line three-cylinder, four-stroke
Gearbox: 6-speed
Dry weight: 191.0 kg
Seat height: 815 mm
Power: 149.0 HP (109.6 kW) @ 10700 RPM

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What’s new for the 2003 Triumph Daytona 955I

vs the 2002

Spec	2002	2003
Dry weight	188.0 kg (414.5 pounds)	191.0 kg (421.1 pounds)
Front brakes	Dual disc	Double disc

Other years 1999 2000 2001 2002 2003 2004 2005 2006

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering88%

City riding45%

Daily riding50%

Touring42%

Two-up35%

Track82%

Best for: Built primarily for spirited road riding and canyon carving, with genuine track-day capability thanks to its aluminum perimeter frame and sharp geometry.
Built for: The 955i in-line three delivers a distinctive, torque-rich growl and mid-range punch that gives it a more characterful feel than typical four-cylinder sport rivals.
Not ideal for: This is not the right bike for new riders, tall touring distances with a passenger, or anyone seeking a relaxed, upright commuting experience.

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 815mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2003 Triumph Daytona 955I, with a cramped knee angle of around 70 degrees and a forward-leaning 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 751-820 mm — Middle Ground →

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Full specifications

Engine

Capacity: 955.0 ccm
Power: 149.0 HP (109.6 kW) @ 10700 RPM
Torque: 100.0 Nm (10.2 kgf-m)
Engine type: In-line three-cylinder, four-stroke
Power/weight ratio: 0.7801 HP/kg (dry)
Bore x stroke: 79.0 x 65.0 mm
Compression: 12.0:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Digital - inductive type - via electronic engine management system
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet, multi-plate

Dimensions & weight

Wheelbase: 1426 mm
Overall length: 2072 mm
Overall width: 725 mm
Overall height: 1165 mm
Seat height: 815 mm
Dry weight: 191.0 kg
Wet weight: 224.0 kg
Fuel capacity: 21.00 litres

Chassis & suspension

Frame: Tubular, fabricated aluminium alloy perimeter
Front suspension: 45mm forks with dual rate springs and adjustable preload, compression and rebound damping
Rear suspension: Monoshock with adjustable preload, rebound and compression damping
Front wheel travel: 120 mm
Rear wheel travel: 140 mm
Rake (fork angle): 22.5°

Brakes & wheels

Front brakes: Double disc
Front brakes diameter: 320 mm
Rear brakes: Single disc
Rear brakes diameter: 220 mm
Front tyre: 120/70-ZR17
Rear tyre: 190/50-ZR17

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	1999	2001	2003	2004	2006
Capacity	956 cc	955 cc	955 cc	955 cc	955 cc
Dry weight	198 kg	198 kg	191 kg	191 kg	191 kg
Seat height	820 mm	800 mm	815 mm	815 mm	815 mm
Fuel capacity	18 L	18 L	21 L	21 L	20 L