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1986 Harley Davidson Unclassified MOT Pass Rate

Pass rate for Unclassified models manufactured in 1986, based on 468 real MOT test results.

87.4%
Pass Rate
12.6%
Fail Rate
468
Total Tests
22,488
Avg Mileage

Data from official DVSA MOT testing records

This page shows all Unclassified cars tested in 1986. Want to see how cars built in 1986 hold up over time?

View 1986 Harley Davidson Unclassified vintage page → (88.4% current pass rate)

1986 Harley Davidson Unclassified MOT Analysis

The 1986 Harley Davidson Unclassified has an MOT pass rate of 87.4% based on 468 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 22,488 miles on the odometer. With a 12.6% failure rate, the 1986 Unclassified is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1986 Harley Davidson Unclassified is Identification of the vehicle, responsible for 0.9% of failures. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs range from £10–50. Motorcycle brakes is the second most common issue at 0.4%.

Top failures specific to 1986 models only. The overall Unclassified page may show different rankings.

What Fails Most

Identification of the vehicle 0.9%
Motorcycle brakes 0.4%

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
1Identification Of The Vehicle0.9%4
2Motorcycle Brakes0.4%2

Failures per 10,000 Miles

avg. 22,488 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.

Identification of the vehicle0.38% per 10K miMotorcycle brakes0.19% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Identification of the vehicle0.380.9%4
Motorcycle brakes0.190.4%2

Mileage Statistics

22,488
Mean
23,582
Median
2,237
25th Percentile
30,864
75th Percentile
5.60% failures per 10K miles

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

About This Data

The 1986 Harley Davidson Unclassified has an MOT pass rate of 87.4% based on 468 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 22,488 miles on the odometer. With a 12.6% failure rate, the 1986 Unclassified is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1986 Harley Davidson Unclassified, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to identification of the vehicle: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing. With relatively low average mileage of 22,488 miles, many of these vehicles are still in good mechanical condition.

Identification of the vehicle — 0.9% of failures

Identification of the vehicle issues account for 0.9% of MOT failures on 1986 Harley Davidson Unclassified models. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs: £10–50. Pre-MOT check: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing.

Motorcycle brakes — 0.4% of failures

Motorcycle brakes issues account for 0.4% of MOT failures on 1986 Harley Davidson Unclassified models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).

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

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