2005 Triumph Thruxton 900 Specifications

Name: 2005 Triumph Thruxton 900
Brand: Triumph

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2005 Triumph Thruxton 900 Overview

The 2005 Triumph Thruxton 900 is a classic motorcycle built around 865 cc of displacement. Under the tank sits a Twin engine running DOHC valve actuation, a compression ratio of 9.2:1. The bore and stroke measures 90 x 68 mm. 2005 Triumph Thruxton 900 delivers 72 of torque. From a practical standpoint, the 2005 Thruxton 900 tips the scales at 205 kg, carries a 16.60-litre fuel tank, offers a seat height of 790 mm and spans a 1,490 mm wheelbase. Scroll down for the complete 2005 Triumph Thruxton 900 spec sheet covering every technical detail from suspension travel to tyre sizes.

2005 Thruxton 900 - Pros & Cons

Strengths

Factory engineering: The 2005 Triumph Thruxton 900 represents Triumph's engineering at the time, with a specification built around real-world usability.

Considerations

Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.

Owner Experiences & Common Issues

Carburetor maintenance

Carburetors on the 2005 Triumph Thruxton 900 benefit from a clean and re-jet if the bike has been stored, run on stale fuel, or modified with an aftermarket exhaust. Owners frequently mention that fresh jets and float needle clips transforms throttle response from flat to crisp.

Valve clearance checks

DOHC engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.

Thruxton 900 - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2005 Triumph Thruxton 900, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained Thruxton 900 should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any Thruxton 900. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

Carburetor upkeep

Keep the carburetors clean and free of deposits. If the Thruxton 900 has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.

Valve clearance service

Check that valve clearances have been adjusted at the correct intervals on any used Thruxton 900. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has been done.

2005 Triumph Thruxton 900 - Frequently Asked Questions

What engine does the 2005 Triumph Thruxton 900 have?

The 2005 Triumph Thruxton 900 uses a Twin engine with 865 cc of displacement.

How much does the 2005 Triumph Thruxton 900 weigh?

The 2005 Triumph Thruxton 900 weighs 205 kg. This is the manufacturer's dry figure.

How much power does the 2005 Triumph Thruxton 900 make?

The 2005 Triumph Thruxton 900 produces 72 of torque.

What is the fuel tank capacity of the 2005 Triumph Thruxton 900?

The 2005 Triumph Thruxton 900 has a 16.60-litre fuel tank.

Is the 2005 Triumph Thruxton 900 suitable for shorter riders?

The 2005 Triumph Thruxton 900 has a seat height of 790 mm. This is a moderate seat height that suits a wide range of rider heights.

What brakes does the 2005 Triumph Thruxton 900 have?

The 2005 Triumph Thruxton 900 uses Single disc. 2-piston calipers at the front and Single disc. 2-piston calipers at the rear.

What tyre sizes does the 2005 Triumph Thruxton 900 use?

The 2005 Triumph Thruxton 900 runs 100/90-19 front and 130/80-17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

Triumph Thruxton 900 Spec Evolution

The Triumph Thruxton 900 was produced across 3 model years (2004-2006). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification	2004	2005	2006
Engine Type	Twin, four-stroke	Twin	Twin
Fuel Capacity	16.00 litres / 4.23 gallons	16.60 litres / 4.39 gallons	16.00 litres / 4.23 gallons
Brakes - Front	Single disc	Single disc. 2-piston calipers	Single disc
Wheelbase	1,477 mm / 58.1 in.	1,490 mm / 58.7 in.	1,490 mm / 58.7 in.
Brakes - Rear	Single disc	Single disc. 2-piston calipers	Single disc
Suspension - Front	-	41mm forks with adjustable preload	41 mm forks with adjustable preload
Fuel System	Carburettor	Carburettor. Twin carburettors with throttle position sensor and electric carburettor heaters	Carburettor. Twin carburetors with throttle position sensor and electric carburetor heaters
Clutch	-	Wet, multi-plate	Wet. multi-plate