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2004 Triumph Thruxton 900
 
Thruxton is a well-known racing circuit in Hampshire (England) and following the 1969 success of a first, second and third-placed romp home for Triumph in the Thruxton 500 (a 500-mile endurance race), a series of very special racing Bonnevilles was born.
The Bonneville Thruxtons back then were essentially racers for the road with tuned engines and a pared-down style that inspired the café racing street motorcyclists of the time. Over thirty years later that essence of raw motorcycling and svelte café-racer lines is still very much a magnetic draw. Now, in 2004, a new breed of Triumph Thruxton is ready to inspire a new generation of road riders.
Take a Bonneville´s 790 cc air-cooled twin-cylinder engine and add a dollop of extra capacity - make it 865cc! Then hop it up with hot cams, new carburettors and megaphone-style exhausts for more power and torque, everywhere. Polish the engine covers. Don´t stop there, fit drop handlebars, rearward-set footpegs, revise the telescopic forks and rear shocks and tweak the steering geometry. Clamp on a larger, fully floating front disc, two-piston brake caliper and shorty front mudguard and finish off with an evocatively shaped seat hump and aluminum wheels.
The new machine is clearly heavily based on the stock Bonneville. It shares the same chassis but the parallel twin-cylinder engine is bored out from 790cc to 865cc. That, and a freer-breathing new upswept megaphone exhaust, add up to an increase in power over the base Bonnie from 61bhp to 70bhp. Torque is up from 44ftlb to 53ftlb.
The new bike weighs 205kg, the same as the stock bike.
Other changes include a humped seat to give the classic cafe-racer look and a shortened rear mudguard.
The bike’s handling should be more responsive than the basic Bonnie’s thanks to new rear twin shocks, which are longer than the current ones.
They increase the bike’s ground clearance and sharpen the steering by effectively giving the bike a steeper fork angle.
The brakes and front suspension are straight from the base-model Bonneville.
Like the standard bike, the Thruxton is aimed squarely at the American market, where retro Triumphs are massively popular – even this prototype is American-spec, with extra reflectors mounted on the chassis downtubes.
To add to the sporty feel of the bike, it gets the twin clocks from the Bonneville T100, including a rev-counter, but otherwise it’s an unadorned Bonnie – with unpolished engine cases and no extra chrome.
| ENGINE: |
FUEL & IGNITION SYSTEM: |
| • Air-cooled, DOHC, 360º parallel twin |
• Twin carburettors |
| • Capacity 865cc |
• TPS and electric heaters |
| • Compression Ratio 10.2:1 |
• Ignition Digital - inductive type |
| • Bore/Stroke 90 x 68mm |
|
| |
| TRANSMISSION: |
PERFORMANCE: |
| • Primary - Drive Gear |
• Maximum Power 70PS (69bhp) at 7,250rpm |
| • Final Drive - X ring chain |
• Maximum Torque 72Nm (53ft.lbf) at 5,750rpm |
| • Gearbox 5-speed |
• measured at crankshaft to DIN 70020 |
| • Clutch - Wet, multi-plate |
|
| |
| DIMENSIONS: |
CYCLE PARTS: |
| • Length 2212mm (87.1in) |
• Swingarm Twin-sided, tubular steel |
| • Width (Handlebars) 714mm (28.1in) |
• Wheels - Front, 36-spoke, 18 x 2.5in, Rear, 40-spoke, 17 x 3.5in |
| • Seat Height 790mm (31.1in) |
• Tyres - Front R18 100/90, Rear R17 130/80 |
| • Height 1170mm (46.1in) |
• Front - 41mm forks with adjustable preload, Rear - twin shocks, adjustable pre-load |
| • Weight (Dry) 205kg (451lb) |
• Brakes - Front, Single 320mm floating disc, 2 piston caliper |
| • Rake/27º Trail/97mm |
Rear, Single 255mm disc, 2 piston caliper |
| • Fuel Tank Capacity 16 litres (4.2 gal US) |
|
| • Wheelbase 1477mm (58.1in) |
|
| COLOUR OPTIONS: • Jet Black & Silver • Sunset Red & Silver |
| |
| WARRANTY: • 2 years, unlimted mileage |
SERVICE INTERVAL: • 4000 miles or one year, whichever comes first. |
| ACCESSORIES: |
|
| • Alarm / Immobiliser |
• Chrome Chain Guard |
| • Throwover Panniers |
• Chrome Cam Cover |
| • Knee Pads |
• Chrome Side Panel |
| • Colour Co-ordinated Fly Screen |
• Chrome Lifter Arm Cover |
| • King & Queen Seat |
• Chrome Grab Rail |
| • Single Seat |
• Silencers (for off road use only) |
| • Tank Badges |
• Centre Stand |
| • Tank Bag |
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2005 Triumph Thruxton
  
The past is a glorious place to visit, for a brief time at least. But the past can also teach us much and one lesson has stood the passage of time – that the raw essence of motorcycling transcends all technology. What a bike is, and represents to the owner, is very nearly as important as what it does. And all that’s really needed, for many are an engine, two wheels and a pair of handlebars.
A fact the Thruxton 900 underlines so elegantly. Drawing on the Spartan café racing machines of the sixties and taking its name from the near-mythic racing Triumphs from the same era, its 865cc air-cooled twin cylinder power plant looks and feels like a motorcycle engine should – real. The engine has the mellow 360° firing interval of the Bonneville but features ‘hot’ camshaft profiles, a compression ratio of 10.2:1 and megaphone-style exhausts. Peak power output of 70PS is delivered at 7,250rpm and peak torque of 72Nm arrives at 5,750rpm.
Wrapping the motor is a precisely crafted chassis that inspires confidence. The sturdy, spring preload adjustable, 41mm telescopic forks and twin rear shocks give superb suspension action and compliance. Sharp steering geometry, with rake and trail set at 27°/97mm is allied to a wheelbase of 1477mm, while the 18inch front wheel aids steering input. A fully floating 320mm front disc and twin-piston brake caliper provide powerful, but sensitive, braking performance and the tubular steel twin cradle frame and box section swingarm easily contain the engine’s increased power output.
With its perfectly proportioned, evocative silhouette the Thruxton is a truly beautiful machine. It captures the very essence of the café racer look – the shorty-style front mudguard, rakish clip-on handlebars, distinctive seat hump and spartan elegance - and matches it to exhilarating, fluid performance. This fusion of original style and sporty delivery appeals to the imagination of today’s younger riders seeking a distinctive and involving experience.
Colour options available are Jet Black plus, new for 2005, Racing Yellow and Caspian Blue all with a chequered flag tank graphic and silver mudguards. A comprehensive range of accessories, including less restrictive silencers (not for use on the road), fly screen, soft luggage and various chrome additions further enhance the Thruxton’s scope for owner involvement and personalisation.
While many owners will want to make their mark on the Thruxton, many will be content with simply owning and enjoying it as it arrives from the factory. Either way – with a name that holds real magic for Triumph – the Thruxton is a machine built for pure riding pleasure.
| SPECIFICATION CHANGES FOR 2005: |
| |
| ENGINE: • None |
| |
| COLOUR OPTIONS: • Jet Black & Silver • Racing Yellow & Silver • Caspian Blue & Silver |
| |
| ACCESSORIES:• None |
2006 Triumph Thruxton
  
The Thruxton draws on the spartan café racing machines of the sixties and takes its name from the near-mythic racing Triumphs from the same era.
With its perfectly proportioned, evocative silhouette the Thruxton is a truly beautiful machine. It captures the very essence of the café racer look - the shorty-style front mudguard, rakish clip-on handlebars, distinctive seat hump and spartan elegance - and matches it to exhilarating, fluid performance. The Thruxton fires the imagination of many of today's younger riders who seek a distinctive and involving bike, where authentic retro sixties style mixes seamlessly with a modern edge and attitude.
The Thruxton's 865cc, twin cylinder power plant is the most powerful of Triumph's twin-cylinder line up. It shares the Bonnie's 360° firing interval but adds 'hot' camshaft profiles, a compression ratio of 10.2:1 and megaphone-style exhausts. Peak power output of 70PS is delivered at 7,250rpm and peak torque of 72Nm arrives at 5,750rpm.
Wrapping the motor is a precisely crafted chassis that inspires confidence and delivers a real sporting character. The sturdy, spring preload adjustable, 41mm telescopic forks and twin rear shocks give superb suspension action and compliance. Sharper steering geometry, a wheelbase of 1477mm and an 18inch front wheel aids steering input. A fully floating 320mm front disc and twin-piston brake caliper provide powerful, controllable braking performance.
Three colour options are available - Jet Black, Racing Yellow and Caspian Blue - and all feature a chequered flag tank graphic and silver mudguards. A comprehensive range of accessories, including less restrictive silencers, fly screen, soft luggage and various chrome additions further enhance the Thruxton's scope for owner involvement and personalisation.
Triumph specialises in building unique bikes and with the Thruxton has defined a whole new category in modern motorcycling - retro sports. But if one lesson from the past has stood the passage of time, it's that the basic essence of motorcycling transcends all technology. What a bike is, and represents to the owner, is very nearly as important as what it does. All that's really needed, for many are an engine, two wheels and a pair of handlebars. The Thruxton is just that, yet a whole lot more besides.
| SPECIFICATION CHANGES FOR 2006: |
| |
| ENGINE: • None |
| |
| COLOUR OPTIONS: • Jet Black & Silver • Racing Yellow & Silver • Caspian Blue & Silver |
| |
| ACCESSORIES: |
| • All Weather Bike Cover |
• Fork Gaitors |
| • Bar End Mirrors |
• Gel Seat |
| • Sport Pannier Kit |
• Classic Tank Badge |
| • Custom Paint Kit |
|
2007 Triumph Thruxton
 
THE ESSENCE OF A MOTORCYCLE
The Thruxton 900 draws on the Spartan café racing machines of the sixties and takes its name from the rare and near mythic racing Triumphs of that era.
With its perfectly proportioned, evocative silhouette the Thruxton is a truly beautiful machine. It captures the very essence of the café racer look – the shorty-style front mudguard, rakish clip-on handlebars, distinctive seat hump and Spartan elegance – and matches it to exhilarating, fluid performance. The Thruxton fires the imagination of many of today’s younger riders who seek a distinctive and involving bike, where the classic style of the sixties mixes seamlessly with a modern attitude.
Its 865cc air-cooled twin cylinder power plant is the most powerful of Triumph’s twin-cylinder line up and while it shares the 360° firing interval of the Bonneville, also features ‘hot’ camshaft profiles, a compression ratio of 9.2:1 and megaphone-style exhausts. Peak power output of 70PS (69bhp) is delivered at 7200rpm and peak torque of 72Nm (53ft.lbf) arrives at 6400rpm.
Wrapping the motor is a precisely crafted chassis that inspires confidence; its harder edge delivering real sporting character. The sturdy, preload adjustable 41mm telescopic forks and twin rear shocks give superb suspension action and compliance while sharper steering geometry, a wheelbase of 1490mm and 18in aluminium-rimmed front wheel all aid steering input. A fully floating 320mm front disc and twin-piston brake caliper provide powerful, but sensitive, braking performance and the tubular steel twin cradle frame and box section swingarm easily contain the engine’s power output.
Colour options available in 2007 are the subtle Jet Black or vivid Tornado Red; both choices wear new, colour matched mudguards and wide centre stripe decal. A comprehensive range of accessories, including less restrictive silencers (not for use on the road), fly screen, soft luggage and various chrome additions further enhance the Thruxton’s scope for owner involvement and personalisation.
Triumph specialises in building unique bikes and with the Thruxton has defined a whole new category in modern motorcycling – retro sports. But if one lesson from the past has stood the passage of time, it’s that the basic essence of motorcycling transcends all technology. What a bike is, and represents to the owner, is very nearly as important as what it does. All that’s really needed, for many, are an engine, two wheels and a pair of handlebars. The Thruxton captures that spirit.
| SPECIFICATION CHANGES FOR 2007: • Revised stripe decal on tank and seat cowl • Colour matched mudguards |
| |
| ENGINE: • Black engine with polished and lacquered covers |
| |
| COLOUR OPTIONS: • Jet Black • Tornado Red |
| |
| ACCESSORIES: • None |
2008 Triumph Thruxton
The Thruxton draws on the Spartan café racing machines of the sixties and takes its name from the near-mythic racing Triumphs of that era. With its perfectly proportioned evocative silhouette the Thruxton is a truly beautiful machine, which seamlessly mixes the classic sixties style with a modern attitude. The basic essence of motorcycling transcends all technology. What a bike is and represents to the owner is very nearly as important as what it does. All that’s really needed, for many, are an engine, two wheels, a seat and a pair of handlebars. The Thruxton captures that spirit.
The Thruxton’s 865cc, air-cooled, twin cylinder power plant, the most powerful of Triumph’s twin cylinder line-up, has a peak power output of 70PS (69bhp) delivered at 7400rpm and peak torque of 70Nm (52ft.lbf) arrives at 5800rpm. The engine shares the same 360° firing interval as the Bonneville, as well as featuring ‘hot’ camshaft profiles and a compression ratio of 9.2:1.
For 2008 the Thruxton is updated with a new fuel injection system to meet forthcoming Euro 3 legislation. Cleaner running than a carburettor engine, the fuel injected engine is also easier to fire up from a cold start and runs more smoothly when cold. The cool retro styling remains uncompromised though, as the fuel injectors are cleverly concealed by throttle bodies designed to look like carburettors.
The Thruxton sports new handlebars for 2008. The new restyled, one-piece tubular chromed steel bars are set slightly higher, enhancing rider ergonomics and giving a more upright but still sporty riding position, while stylish bar-end mirrors, engineered specifically for the Thruxton, come as standard.
Wrapping the motor is a precisely crafted chassis that inspires confidence; its harder edge delivering real sporting character. The sturdy, preload adjustable 41mm telescopic forks and twin rear shocks give superb suspension action and compliance while sharper steering geometry, a wheelbase of 1490mm and 18 inch aluminium-rimmed front wheel all aid steering input. A fully floating 320mm front disc and twin-piston brake caliper provide powerful, but sensitive, braking performance.
| SPECIFICATION CHANGES FOR 2008: |
| |
| ENGINE: |
FUEL & IGNITION SYSTEM: |
| • Air-cooled, DOHC, 360º parallel twin |
• Multipoint Sequential EFI |
| • Capacity 865cc |
• Ignition Digital - inductive type |
| • Compression Ratio 9.2:1 |
|
| • Bore/Stroke 90 x 68mm |
|
| |
| TRANSMISSION: |
PERFORMANCE: |
| • Primary - Drive Gear |
• Maximum Power 70PS (69bhp) at 7,400rpm |
| • Final Drive - X ring chain |
• Maximum Torque 70Nm (52ft-lbf) at 5,800rpm |
| • Gearbox 5-speed |
• measured at crankshaft to DIN 70020 |
| • Clutch - Wet, multi-plate |
|
| |
| DIMENSIONS: |
CYCLE PARTS: |
| • Length 2150mm (84.6in) |
• Swingarm Twin-sided, tubular steel |
| • Width (handlebars) 950mm (37.4in) |
• Wheels - Front, 36 Spoke 18 x 2.5in, Rear, 40 Spoke 17 x 3.5in |
| • Seat Height 790mm (31.1in) |
• Tyres - Front R19 100/90, Rear R17 130/80 |
| • Height 1120mm (44.1in) |
• Front Suspension - Kayaba 41mm forks, 120mm travel |
| • Weight (Dry) 205kg (451lb) |
• Rear Suspension - Kayaba twin shocks, adjustable pre-load, 106mm rear wheel travel |
| • Rake/27º Trail/97mm |
• Brakes - Front, Single 320mm floating disc, Nissin 2 piston floating caliper |
| • Fuel Tank Capacity 16 litres (3.5 gal) |
Rear, Single 255mm disc, Nissin 2 piston floating caliper |
| • Wheelbase 1500mm (59.1in) |
|
| COLOUR OPTIONS: • Tornado Red with White Stripe • Jet Black with Gold Stripe • Aluminium Silver with Red Stripe |
| |
| WARRANTY: • 2 years, unlimted mileage |
SERVICE INTERVAL: • 4000 miles or one year, whichever comes first |
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