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2011 Triumph Bonneville T 100 (865) MOT Pass Rate

Pass rate for Bonneville T 100 (865) models manufactured in 2011, based on 1,455 real MOT test results.

88.9%
Pass Rate
11.1%
Fail Rate
1,455
Total Tests
8,062
Avg Mileage

Data from official DVSA MOT testing records

This page shows all Bonneville T 100 (865) cars tested in 2011. Want to see how cars built in 2011 hold up over time?

View 2011 Triumph Bonneville T 100 (865) vintage page → (89.5% current pass rate)

2011 Triumph Bonneville T 100 (865) MOT Analysis

The 2011 Triumph Bonneville T 100 (865) has an MOT pass rate of 88.9% based on 1,455 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 8,062 miles on the odometer. With a 11.1% failure rate, the 2011 Bonneville T 100 (865) is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 2011 Triumph Bonneville T 100 (865) is Motorcycle lamps and reflectors, responsible for 1.2% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from £5–50. Motorcycle brakes is the second most common issue at 0.2%. Motorcycle tyres follows at 0.1%.

Top failures specific to 2011 models only. The overall Bonneville T 100 (865) page may show different rankings.

What Fails Most

Motorcycle lamps and reflectors 1.2%
Motorcycle brakes 0.2%
Motorcycle tyres 0.1%

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Motorcycle Lamps And Reflectors1.2%18
2Motorcycle Brakes0.2%3
3Motorcycle Tyres0.1%2
4Identification Of The Vehicle0.1%1
5Motorcycle Audible Warning (Horn)0.1%1
6Motorcycle Structure And Attachments0.1%1

Failures per 10,000 Miles

avg. 8,062 mi

For 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.

Motorcycle lamps and reflectors1.53% per 10K miMotorcycle brakes0.26% per 10K miMotorcycle tyres0.17% per 10K miIdentification of the vehicle0.09% per 10K miMotorcycle audible warning (Horn)0.09% per 10K miMotorcycle structure and attachments0.09% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle lamps and reflectors1.531.2%18
Motorcycle brakes0.260.2%3
Motorcycle tyres0.170.1%2
Identification of the vehicle0.090.1%1
Motorcycle audible warning (Horn)0.090.1%1
Motorcycle structure and attachments0.090.1%1

Mileage Statistics

8,062
Mean
4,373
Median
2,559
25th Percentile
7,521
75th Percentile
13.77% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 2011 Triumph Bonneville T 100 (865) has an MOT pass rate of 88.9% based on 1,455 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 8,062 miles on the odometer. With a 11.1% failure rate, the 2011 Bonneville T 100 (865) is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 2011 Triumph Bonneville T 100 (865), you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle lamps and reflectors: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. With relatively low average mileage of 8,062 miles, many of these vehicles are still in good mechanical condition.

Motorcycle lamps and reflectors — 1.2% of failures

Motorcycle lamps and reflectors issues account for 1.2% of MOT failures on 2011 Triumph Bonneville T 100 (865) models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.

Motorcycle brakes — 0.2% of failures

Motorcycle brakes issues account for 0.2% of MOT failures on 2011 Triumph Bonneville T 100 (865) 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 tyres — 0.1% of failures

Motorcycle tyres issues account for 0.1% of MOT failures on 2011 Triumph Bonneville T 100 (865) models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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