2003 Triumph Tt600 MOT Pass Rate
Pass rate for Tt600 models manufactured in 2003, based on 1,013 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Tt600 cars tested in 2003. Want to see how cars built in 2003 hold up over time?
View 2003 Triumph Tt600 vintage page → (83.8% current pass rate)2003 Triumph Tt600 MOT Analysis
The 2003 Triumph Tt600 has an MOT pass rate of 80.1% based on 1,013 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,456 miles on the odometer. With a 19.9% failure rate, the 2003 Tt600 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2003 Triumph Tt600 is Motorcycle brakes, responsible for 0.3% of failures. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs range from £150–400. Motorcycle structure and attachments is the second most common issue at 0.2%. Motorcycle steering follows at 0.1%.
Top failures specific to 2003 models only. The overall Tt600 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Brakes | 0.3% | 3 |
| 2 | Motorcycle Structure And Attachments | 0.2% | 2 |
| 3 | Motorcycle Steering | 0.1% | 1 |
| 4 | Motorcycle Suspension | 0.1% | 1 |
| 5 | Motorcycle Audible Warning (Horn) | 0.1% | 1 |
Failures per 10,000 Miles
avg. 18,456 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle brakes | 0.16 | 0.3% | 3 |
| Motorcycle structure and attachments | 0.11 | 0.2% | 2 |
| Motorcycle steering | 0.05 | 0.1% | 1 |
| Motorcycle suspension | 0.05 | 0.1% | 1 |
| Motorcycle audible warning (Horn) | 0.05 | 0.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2003 Triumph Tt600 has an MOT pass rate of 80.1% based on 1,013 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,456 miles on the odometer. With a 19.9% failure rate, the 2003 Tt600 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2003 Triumph Tt600, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle brakes: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm). With relatively low average mileage of 18,456 miles, many of these vehicles are still in good mechanical condition.
Motorcycle brakes — 0.3% of failures
Motorcycle brakes issues account for 0.3% of MOT failures on 2003 Triumph Tt600 models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Motorcycle structure and attachments — 0.2% of failures
Motorcycle structure and attachments issues account for 0.2% of MOT failures on 2003 Triumph Tt600 models. Motorcycle structure and attachments issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Motorcycle steering — 0.1% of failures
Motorcycle steering issues account for 0.1% of MOT failures on 2003 Triumph Tt600 models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.