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Pass Your MOT

1981 Royal Enfield Unclassified MOT Pass Rate

Pass rate for Unclassified models manufactured in 1981, based on 45 real MOT test results.

88.9%
Pass Rate
11.1%
Fail Rate
45
Total Tests
8,449
Avg Mileage

Data from official DVSA MOT testing records

1981 Royal Enfield Unclassified MOT Analysis

The 1981 Royal Enfield Unclassified has an MOT pass rate of 88.9% based on 45 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 8,449 miles on the odometer. With a 11.1% failure rate, the 1981 Unclassified is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1981 Royal Enfield Unclassified is Non-component advisories, responsible for 4.4% of failures. Non-component advisories 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. Motorcycle tyres is the second most common issue at 2.2%.

⚠ Based on limited data (45 tests)

Top failures specific to 1981 models only. The overall Unclassified page may show different rankings.

What Fails Most

Non-component advisories 4.4%
Motorcycle tyres 2.2%

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
1Non-component Advisories4.4%2
2Motorcycle Tyres2.2%1

Failures per 10,000 Miles

avg. 8,449 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.

Non-component advisories5.26% per 10K miMotorcycle tyres2.63% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Non-component advisories5.264.4%2
Motorcycle tyres2.632.2%1

Mileage Statistics

8,449
Mean
3,488
Median
1,109
25th Percentile
18,749
75th Percentile
13.14% failures per 10K miles

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

About This Data

The 1981 Royal Enfield Unclassified has an MOT pass rate of 88.9% based on 45 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 8,449 miles on the odometer. With a 11.1% failure rate, the 1981 Unclassified is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1981 Royal Enfield Unclassified, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to non-component advisories: 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 8,449 miles, many of these vehicles are still in good mechanical condition.

Non-component advisories — 4.4% of failures

Non-component advisories issues account for 4.4% of MOT failures on 1981 Royal Enfield Unclassified models. Non-component advisories 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 tyres — 2.2% of failures

Motorcycle tyres issues account for 2.2% of MOT failures on 1981 Royal Enfield Unclassified 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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