Yamaha BT1100 (2003)

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The Yamaha BT1100 Bulldog was a motorcycle model released in 2003. It had a four-stroke, 75-degree V-twin engine with a capacity of 1063 cc and a compression ratio of 8.3:1. The engine was air-cooled and had wet sump lubrication. The bike had 2x 37mm carbs for induction and TCI ignition, with NGK BPR7ES spark plugs. The maximum power output was 65 hp at 5500 rpm and the maximum torque was 88.2 Nm at 4500 rpm. The transmission was five-speed and it had a shaft final drive. The frame was made of aluminum and had a single cradle design. The bike had front suspension with 43mm forks preload adjustable and the rear suspension was a rising rate monoshock preload adjustable. It had 2x 298mm discs with four-piston calipers for front brakes and a single 282mm disc with one-piston caliper for the rear brake. The front tyre size was 120/70-17 and the rear tyre size was 170/60-17. The bike had a length of 2200 mm, a width of 800 mm and a height of 1140 mm. The wheelbase was 1530 mm and the seat height was 812 mm. The dry weight of the bike was 229.5 kg and the wet weight was 251 kg. The fuel capacity was 20 litres and the consumption average was 16.5 km/lit. The standing 1/4 mile time was 13.8 seconds and the top speed was 110 mph.

Technical specifications:

Make Model: Yamaha BT 100 Bulldog

Year: 2003


Engine: Four stroke, 75 degreesV-twin, SOHC,
Capacity: 1063 cc / 64.8 in
Bore x Stroke: 95 x 75 mm
Compression Ratio: 8.3:1
Cooling System: Air coolid
Lubrication: Wet sump
Engine Oil: Mineral, 10W30SE
Induction: 2x 37mm carbs
Ignition: TCI (Transistor Controlled Ignition)
Spark Plug: NGK, BPR7ES
Starting: Electric
Max Power: 65 hp / 47.4 kW @ 5500 rpm
Max Torque: 88.2 Nm / 9 kg-m @ 4500 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 5 Speed

Final Drive: Shaft
Frame: Aluminium, Single cradle frame
Front Suspension: 43mm forks preload adjustable,
: 130 mm / 5.1 in
Rear Suspension: Rising rate monoshock preload adjustable.
Rear Wheel Travel: 113 mm / 4.4 in
Front Brakes: 2x 298mm discs 4 piston calipers
Rear Brakes: Single 282mm disc 1 piston caliper
Front Tyre: 120/70-17
Rear Tyre: 170/60-17
Trail: 106 mm / 4.1 in
Dimensions: Length 2200 mm / 86.6 in Width 800 mm / 31.4 in Height 1140 mm . 44.8 in
Wheel base: 1530 mm / 60.2 in
Seat Height: 812 mm / 31.9 in
Ground Clearance: 168 mm / 6.6 in
Dry Weight: 229.5 kg / 505.9 lbs
Wet Weight: 251 kg / 553.3 ub
Fuel Capacity: 20 Litres / 5.2 US gal
Consumption Average: 16.5 km/lit
Standing 1/4 Mile: 13.8 sec / 97 mph

Top Speed: 110 mph

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