New Triumph BONNEVILLE T40 model details, with links to new and used dealer listings and latest Triumph deals

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The Bonneville T40 brings the iconic motorcycle to a new generation of Bonneville riders. Timeless design and beautiful craftsmanship, blended with contemporary capability.

Engine

Engine Type	Liquid-cooled, single-cylinder, 4 valve, DOHC
Displacement CC	398 cc
Bore	89.0 mm
Stroke	64.0 mm
Compression	12:1
Max Power EC	32 PS / 30 bhp (22.8 kW) @ 7,000 rpm
Max Torque EC	36 Nm @ 5000 rpm
System	Bosch electronic fuel injection with electronic throttle control
Exhaust	Stainless twin-skin header system with stainless steel silencer
Final Drive	X-ring chain
Clutch	Wet, multi-plate, slip & assist
Gearbox	6-speed

Chassis

Frame	Hybrid spine/perimeter, tubular steel
Swingarm	Twin-sided, Steel
Front Wheel	Spoked, aluminium rim, Tubed, 18 x 2.75 in
Rear Wheel	Spoked aluminium rim, Tubed, 17 x 4.25 in
Front Tyre	100/90-18
Rear Tyre	150/70 R17
Front Suspension	Telescopic 43mm forks. 130mm wheel travel.
Rear Suspension	Twin Shocks with pre-load adjustment. 130mm wheel travel.
Front Brakes	Single 310mm fixed disc, twin-piston axial caliper, OCABS
Rear Brakes	Single 255mm fixed disc, single piston floating caliper, OCABS
Instrument Display and Functions	Ø4in Circular, bonded, full colour TFT screen, with Triumph Navigation

Dimensions

Length	2120 mm
Width Handlebars	818 mm
Height Without Mirror	1081 mm
Seat Height	790 mm
Wheelbase	1418 mm
Rake	25.4°
Trail	100.4 mm
Wet Weight	191kg
Tank Capacity	14.5 litres

Fuel Consumption

Fuel Consumption	3.45 l/100km (80mpg / 68mpg US)
CO2 Figures	100 g/km EURO 5+ CO2 emissions and fuel consumption data are measured according to regulation 168/2013/EC. Figures for fuel consumption are derived from specific test conditions and are for comparative purposes only. They may not reflect real driving results.

Service

Service interval

10,000 miles (16,000km) / 12 months