1983 Mz Unclassified MOT Pass Rate
Pass rate for Unclassified models manufactured in 1983, based on 61 real MOT test results.
Data from official DVSA MOT testing records
1983 Mz Unclassified MOT Analysis
The 1983 Mz Unclassified has an MOT pass rate of 88.5% based on 61 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 19,627 miles on the odometer. With a 11.5% failure rate, the 1983 Unclassified is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1983 Mz Unclassified is Motorcycle suspension, responsible for 3.3% of failures. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs range from £200–500. Motorcycle wheels is the second most common issue at 3.3%.
Top failures specific to 1983 models only. The overall Unclassified 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 Suspension | 3.3% | 2 |
| 2 | Motorcycle Wheels | 3.3% | 2 |
Failures per 10,000 Miles
avg. 19,627 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 suspension | 1.67 | 3.3% | 2 |
| Motorcycle wheels | 1.67 | 3.3% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1983 Mz Unclassified has an MOT pass rate of 88.5% based on 61 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 19,627 miles on the odometer. With a 11.5% failure rate, the 1983 Unclassified is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1983 Mz Unclassified, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle suspension: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks. With relatively low average mileage of 19,627 miles, many of these vehicles are still in good mechanical condition.
Motorcycle suspension — 3.3% of failures
Motorcycle suspension issues account for 3.3% of MOT failures on 1983 Mz Unclassified models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.
Motorcycle wheels — 3.3% of failures
Motorcycle wheels issues account for 3.3% of MOT failures on 1983 Mz Unclassified models. Wheel failures include cracked or severely corroded alloy wheels, missing or loose wheel nuts, and wheels that are insecurely attached. These are safety-critical and relatively rare compared to tyre failures. Typical repair costs: £100–400 per wheel. Pre-MOT check: Visually inspect wheels for cracks, especially around the spokes and rim. Check that all wheel nuts are present and tightened. Look for signs of impact damage on alloy wheels.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.