Triumph Bonneville America

The Triumph Bonneville America is a British motorcycle designed and built in Hinckley, Leicestershire by Triumph Motorcycles Ltd.

Triumph Bonneville America
ManufacturerTriumph Motorcycles Ltd
Production2002-2007 790 cc 2007 865 cc (carburated) 2008 (fuel injection)
Engine865 cc air-cooled, DOHC, parallel-twin, 270 degree firing angle
Power61 bhp (45 kW) @ 6,800 rpm
Torque50.9 lbf⋅ft (69.0 N⋅m) @ 4,800rpm
Transmission5-speed gearbox with chain final drive
Wheelbase65.2 inches (1,660 mm)
DimensionsL: 95.4 inches (2,420 mm)
W: 32.7 inches (830 mm)
H: 45.7 inches (1,160 mm)
Seat height28.3 inches (720 mm)
Weightdry weight 504 pounds (229 kg) (dry)
Fuel capacity4.3 imperial gallons (20 l)

Development

Compared with the standard Bonneville, the Bonneville America has a very different ride, with the wheelbase extended 6.4 inches (160 mm) to 65.2 inches (1,660 mm), making it 6.8 inches (170 mm) longer overall. The saddle was lowered 2.2 inches (56 mm) and the steering head rake angle increased by 4.3 degrees giving a 33.3 degree rake. The America had the Bonneville's 12.2-inch (310 mm) front disc but the front wheel was reduced to 18 inches (460 mm) diameter and the rear wheel to 15 inches (380 mm) with a larger 11.2-inch (280 mm) disc brake. The America also had a larger fuel tank with a 'chromed' plastic console to house the filler, 4.5-inch (110 mm) diameter speedometer and warning lights. The side panels were extended with sheet-metal covers over the passenger-peg brackets and perforated chrome fittings behind the carburettors to provide the 'retro look' of the air-filter covers from the 1960 Triumph twins. The rider's footrests were also moved to the front of the engine to create a 'cruiser' riding position.[1]

2007

In 2007, the engine capacity was increased to 865 cc (carburated) delivering peak power of 54 bhp (40 kW) at 6,800 rpm, with maximum torque of 69 N⋅m (51 lbf⋅ft) available at 4,800 rpm. Fuel economy is approximately 45 miles per US gallon (5.2 L/100 km; 54 mpg‑imp) city and 50 miles per US gallon (4.7 L/100 km; 60 mpg‑imp) highway. The update included new 'reverse cone' chrome silencers, a new design of cast alloy wheels, adjustable clutch and front brake levers and a new all black engine finish with chromed covers. The chrome chain cover, pillion footrest hanger and upper fork shrouds were restyled and a more comfortable pillion seat fitted.[2]

2008

In 2008, the UK version of the Bonneville America was further updated with an electronic fuel injection system to meet the European emission legislation, with the fuel injectors concealed by dummy carburetors.[2] The US version of the Bonneville America was not updated to EFI until 2009.

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See also

References
  1. "Triumph Bonneville America Motorcycle Test". Retrieved 19 April 2009.
  2. "2002 Triumph Bonneville America". Retrieved 19 April 2009.
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