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1971 Triumph T100r MOT Pass Rate

Pass rate for T100r models manufactured in 1971, based on 103 real MOT test results.

93.2%
Pass Rate
6.8%
Fail Rate
103
Total Tests
16,318
Avg Mileage

Data from official DVSA MOT testing records

1971 Triumph T100r MOT Analysis

The 1971 Triumph T100r has an MOT pass rate of 93.2% based on 103 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 16,318 miles on the odometer. With a 6.8% failure rate, the 1971 T100r is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1971 Triumph T100r is Motorcycle lighting and signalling, responsible for 1.9% of failures. Motorcycle lighting and signalling 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 range from £100–400.

Top failures specific to 1971 models only. The overall T100r page may show different rankings.

What Fails Most

Motorcycle lighting and signalling 1.9%

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 Lighting And Signalling1.9%2

Failures per 10,000 Miles

avg. 16,318 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 lighting and signalling1.19% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle lighting and signalling1.191.9%2

Mileage Statistics

16,318
Mean
8,730
Median
7,057
25th Percentile
21,110
75th Percentile
4.17% failures per 10K miles

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

About This Data

The 1971 Triumph T100r has an MOT pass rate of 93.2% based on 103 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 16,318 miles on the odometer. With a 6.8% failure rate, the 1971 T100r is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1971 Triumph T100r, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle lighting and signalling: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With relatively low average mileage of 16,318 miles, many of these vehicles are still in good mechanical condition.

Motorcycle lighting and signalling — 1.9% of failures

Motorcycle lighting and signalling issues account for 1.9% of MOT failures on 1971 Triumph T100r models. Motorcycle lighting and signalling 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.

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

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