2003Yamaha BT 1100 Bulldog

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The 2003 Yamaha BT 1100 Bulldog is a retro-styled naked bike powered by a 1063cc V-twin engine delivering 64 horsepower and strong 81.4 Nm torque. Built for experienced riders seeking character and cruising comfort, it excels as a versatile middleweight combining classic aesthetics with practical everyday usability and a spacious fuel tank.

Capacity: 1063.0 ccm
Engine: V -Twin twin, four-stroke
Gearbox: Not on record
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Dry weight: 229.0 kg
Seat height: 812 mm
Power: 64.0 HP

⇄ Compare with another bike All model years

What’s new for the 2003 Yamaha BT 1100 Bulldog

vs the 2002

Spec	2002	2003
Engine capacity	1063.00 ccm (64.86 cubic inches)	1063.0 ccm (64.87 cubic inches)
Power	65.00 HP	64.0 HP
Torque	88.20	81.4 Nm (8.3 kgf-m or 60.0 ft.lbs)
Weight	229.5 kg (506.0 pounds)	229.0 kg (504.9 pounds)
Fuel capacity	—	20.00 litres (5.28 US gallons)
Front brakes	Dual disc	not listed
Rear brakes	Single disc	not listed
Wheelbase	1,530 mm (60.2 inches)	1530 mm (60.2 inches)

Other years 2002 2003 2004 2005 2006

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail10%

Cornering55%

City riding60%

Daily riding65%

Touring45%

Two-up45%

Track25%

Best for: Best suited to relaxed street riding, weekend cruising, and short trips rather than aggressive sport riding or long-haul touring.
Built for: A laid-back, air-cooled V-twin roadster that favors smooth torque delivery and classic naked-bike charm over sharp handling or high-revving excitement.
Not ideal for: Not a good fit for riders wanting sharp cornering agility, high top-end power, or serious off-road capability.

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 812mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2003 Yamaha BT 1100 Bulldog, with a relaxed knee angle of around 130 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: 1063.0 ccm
Power: 64.0 HP
Torque: 81.4 Nm (8.3 kgf-m)
Engine type: V -Twin twin, four-stroke
Power/weight ratio: 0.2795 HP/kg
Bore x stroke: 95.0 x 75.0 mm
Compression: 8.3:1
Cooling system: Air
Fuel system: Injection
Starting: Electric

Transmission

Transmission type: Manual
Final drive: Chain
Clutch: Wet, multiple-disc

Dimensions & weight

Wheelbase: 1530 mm
Seat height: 812 mm
Dry weight: 229.0 kg
Fuel capacity: 20.00 litres

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	2002	2003	2004	2005	2006
Capacity	1063.00 ccm (64.86 cubic inches)	1063.00 ccm (64.86 cubic inches)	1063.00 ccm (64.86 cubic inches)	1063.00 ccm (64.86 cubic inches)	1063.00 ccm (64.86 cubic inches)
Dry weight	229.5 kg (506.0 pounds)	229.0 kg (504.9 pounds)	229.5 kg (506.0 pounds)	229.5 kg (506.0 pounds)	233.0 kg (513.7 pounds)
Seat height	812 mm (32.0 inches)	812 mm (32.0 inches)	812 mm (32.0 inches)	812 mm (32.0 inches)	812 mm (32.0 inches)
Fuel capacity	—	20.00 litres (5.28 gallons)	—	—	20.00 litres (5.28 gallons)
Color options	—	—	Midnight black, Blue stone, Light bronze	Midnight black, Blue stone, Light bronze	—