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1972 Harley Davidson Unclassified MOT Pass Rate

Pass rate for Unclassified models manufactured in 1972, based on 198 real MOT test results.

87.9%
Pass Rate
12.1%
Fail Rate
198
Total Tests
13,570
Avg Mileage

Data from official DVSA MOT testing records

1972 Harley Davidson Unclassified MOT Analysis

The 1972 Harley Davidson Unclassified has an MOT pass rate of 87.9% based on 198 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 13,570 miles on the odometer. With a 12.1% failure rate, the 1972 Unclassified is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1972 Harley Davidson Unclassified is Motorcycle steering and suspension, responsible for 1.0% 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 reg plates and vin is the second most common issue at 0.5%. Motorcycle lighting and signalling follows at 0.5%.

Top failures specific to 1972 models only. The overall Unclassified page may show different rankings.

What Fails Most

Motorcycle steering and suspension 1.0%
Motorcycle reg plates and vin 0.5%
Motorcycle lighting and signalling 0.5%

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 Steering And Suspension1.0%2
2Motorcycle Reg Plates And Vin0.5%1
3Motorcycle Lighting And Signalling0.5%1

Failures per 10,000 Miles

avg. 13,570 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 steering and suspension0.74% per 10K miMotorcycle reg plates and vin0.37% per 10K miMotorcycle lighting and signalling0.37% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Motorcycle steering and suspension0.741.0%2
Motorcycle reg plates and vin0.370.5%1
Motorcycle lighting and signalling0.370.5%1

Mileage Statistics

13,570
Mean
10,137
Median
3,305
25th Percentile
27,073
75th Percentile
8.92% failures per 10K miles

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

About This Data

The 1972 Harley Davidson Unclassified has an MOT pass rate of 87.9% based on 198 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 13,570 miles on the odometer. With a 12.1% failure rate, the 1972 Unclassified is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1972 Harley Davidson Unclassified, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle steering and 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 13,570 miles, many of these vehicles are still in good mechanical condition.

Motorcycle steering and suspension — 1.0% of failures

Motorcycle steering and suspension issues account for 1.0% of MOT failures on 1972 Harley Davidson 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 reg plates and vin — 0.5% of failures

Motorcycle reg plates and vin issues account for 0.5% of MOT failures on 1972 Harley Davidson Unclassified models. Motorcycle reg plates and vin 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 lighting and signalling — 0.5% of failures

Motorcycle lighting and signalling issues account for 0.5% of MOT failures on 1972 Harley Davidson Unclassified 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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