1981 Honda Cm MOT Pass Rate
Pass rate for Cm models manufactured in 1981, based on 67 real MOT test results.
Data from official DVSA MOT testing records
1981 Honda Cm MOT Analysis
The 1981 Honda Cm has an MOT pass rate of 74.6% based on 67 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 31,817 miles on the odometer. With a 25.4% failure rate, the 1981 Cm is rated as "Very Good" for MOT reliability.
The leading cause of MOT failure for the 1981 Honda Cm is Motorcycle tyres, responsible for 3.0% of failures. 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 range from £50–200 per tyre. Motorcycle structure and attachments is the second most common issue at 1.5%.
Top failures specific to 1981 models only. The overall Cm 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 Tyres | 3.0% | 2 |
| 2 | Motorcycle Structure And Attachments | 1.5% | 1 |
Failures per 10,000 Miles
avg. 31,817 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 tyres | 0.94 | 3.0% | 2 |
| Motorcycle structure and attachments | 0.47 | 1.5% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1981 Honda Cm has an MOT pass rate of 74.6% based on 67 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 31,817 miles on the odometer. With a 25.4% failure rate, the 1981 Cm is rated as "Very Good" for MOT reliability.
If you own or are considering buying a 1981 Honda Cm, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle tyres: 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. With relatively low average mileage of 31,817 miles, many of these vehicles are still in good mechanical condition.
Motorcycle tyres — 3.0% of failures
Motorcycle tyres issues account for 3.0% of MOT failures on 1981 Honda Cm 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.
Motorcycle structure and attachments — 1.5% of failures
Motorcycle structure and attachments issues account for 1.5% of MOT failures on 1981 Honda Cm 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.