Bonneville 

The sheer simplicity of the Bonneville form, matched to Triumph’s modern engineering integrity has introduced a whole new generation to the charms of one of motorcycling’s most enduring icons. And to add further authenticity to the Bonneville legend, Triumph has kept the ‘Bonnie’ as true to its 50’s roots as a modern masterpiece deserves.

Traditional parallel twin power doesn’t come any punchier or more refined than that of the 790cc Bonneville unit. Equipped with a 360 degree crankshaft to reproduce the classic engine beat of a British twin (where both pistons rise and fall together), there’s plenty of power (61bhp at 7400rpm) and a remarkable 90 per cent of peak torque (60Nm) from 2750rpm all the way to the redline. Twin balancer-shafts keep vibration to a minimum and further refine the relaxed riding experience.

The engine is fed by twin 36mm carburettors with throttle-position sensors, electrically-heated, while the exhaust system employs secondary air-injection to keep emissions low and exits via traditional twin ‘peashooter’ silencers. The unmistakably Triumph triangular engine cover and left-side clutch case remain brushed and lacquered for 2003.

Sure-footed at speed, yet easy-steering and manoeuvrable around town, the low centre of gravity and minimal 775mm (30.5in) seat height allow the rider to get the best from the light yet substantial tubular steel double cradle frame and box-section swing-arm.

With modern rubber mounted on a 19 inch front and 17 inch rear wheel, and with disc brakes front and rear, the outwardly traditional chassis can more than cope with the modern levels of performance meted out by the motor. In fetchingly simple single-tone tank colours for 2003, the authentic answer to tradition matched to the modern age is a purer experience than ever.

Colour Options

Jet Black

Cardinal Red

Triumph Accessories 

Silencers (for off-road use only)                                            A053.jpg (26096 bytes)

Alarm/Immobiliser (Thatcham Category MC1 compliant)              A085.jpg (25502 bytes)

Tank Bag                                                                          A066.jpg (11255 bytes)

Leather Panniers                                                                A065.jpg (10775 bytes)

Fabric Panniers                                                                  A068.jpg (10977 bytes)

Summer Screen                                                                  A070.jpg (7488 bytes)

Roadster Screen                                                                 A071.jpg (6688 bytes)

Colour Co-ordinated Fly Screen                                             A072.jpg (8820 bytes)

Knee Pads                                                                         A082.jpg (8750 bytes)

King and Queen Seat                                                           A062.jpg (14315 bytes)

Single Seat                                                                        A064.jpg (13239 bytes)

Grab Rail                                                                           A058.jpg (27616 bytes)

Low Sissy Bar                                                                    A060.jpg (7539 bytes)

High Sissy Bar                                                                    A059.jpg (6675 bytes)

Chrome Cam Cover                                                             A076.jpg (34207 bytes)

Chrome Lifter Arm Cover                                                     

Chrome Chain Guard                                                            A080.jpg (61232 bytes)

Chrome Levers                                                                  

Chrome Side Panels                                                            

Chrome Front Mudguard                                                      

Chrome Engine Covers                                                        

Chrome Headlight Brackets                                                  

Various Tank Badges                                                          

Centre Stand                                                                    

Chrome Side Stand                                                            

34PS Restrictor Kit                                                              -

Tachometer                                                                      

Auxiliary Power Socket                                                       

 

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01BON_08.jpg (53241 bytes)

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Specification
 

 

Type

Air-cooled, DOHC, parallel twin, 360° firing interval

Capacity

790cc

Bore/Stroke

86 x 68mm

Compression Ratio

9.2:1

Fuel System

Twin carburettors, with throttle position sensor and electric carburettor heaters

Ignition

Digital – inductive type

TRANSMISSION

Primary Drive

Gear

Final Drive

X ring chain

Clutch

Wet, multi-plate

Gearbox

5-speed

CYCLE PARTS

Frame

Tubular steel cradle

Swingarm

Twin-sided, tubular steel

Wheels                        Front

Spoked, 19 x 2.5in

                        Rear

Spoked, 17 x 3.5in

Tyres                Front

100/90 R 19

                        Rear

130/80 R 17

Suspension      Front

41mm forks

                        Rear

Chromed spring twin shocks with adjustable preload

Brakes                         Front

Single 310mm disc, 2 piston caliper    

                        Rear

Single 255mm disc, 2 piston caliper

DIMENSIONS

Length

2250mm (88.6in)

Width (Handlebars)

860mm (33.8in)

Height

1105mm (43.5in)

Seat Height

775mm (30.5in)

Wheelbase

1493mm (58.8in)

Rake/Trail

29°/117mm

Dry Weight

205kg (451lb)

Fuel Tank Capacity

16 litres (4.2 gal US)

PERFORMANCE (Measured at crankshaft to DIN 70020)

Maximum Power

62PS (61bhp) at 7,400rpm

Maximum Torque

60Nm (44.3ft.lbf) at 3,500rpm

Warranty

2 years, unlimited mileage

Service Intervals

4000 miles or one year, whichever comes first

 

 

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69 Centre Street, Route 61
Port Clinton, PA 19549
-0065 

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