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1978 Harley-davidson Xlh1000 MOT Pass Rate

Pass rate for Xlh1000 models manufactured in 1978, based on 38 real MOT test results.

76.3%
Pass Rate
23.7%
Fail Rate
38
Total Tests
11,709
Avg Mileage

Data from official DVSA MOT testing records

1978 Harley-davidson Xlh1000 MOT Analysis

The 1978 Harley-davidson Xlh1000 has an MOT pass rate of 76.3% based on 38 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 11,709 miles on the odometer. With a 23.7% failure rate, the 1978 Xlh1000 is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1978 Harley-davidson Xlh1000 is Identification of the vehicle, responsible for 2.6% 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 structure and attachments is the second most common issue at 2.6%.

⚠ Based on limited data (38 tests)

Top failures specific to 1978 models only. The overall Xlh1000 page may show different rankings.

What Fails Most

Identification of the vehicle 2.6%
Motorcycle structure and attachments 2.6%

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 Vehicle2.6%1
2Motorcycle Structure And Attachments2.6%1

Failures per 10,000 Miles

avg. 11,709 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 vehicle2.25% per 10K miMotorcycle structure and attachments2.25% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Identification of the vehicle2.252.6%1
Motorcycle structure and attachments2.252.6%1

Mileage Statistics

11,709
Mean
11,906
Median
3,089
25th Percentile
19,355
75th Percentile
20.24% failures per 10K miles

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

About This Data

The 1978 Harley-davidson Xlh1000 has an MOT pass rate of 76.3% based on 38 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 11,709 miles on the odometer. With a 23.7% failure rate, the 1978 Xlh1000 is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1978 Harley-davidson Xlh1000, 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 11,709 miles, many of these vehicles are still in good mechanical condition.

Identification of the vehicle — 2.6% of failures

Identification of the vehicle issues account for 2.6% of MOT failures on 1978 Harley-davidson Xlh1000 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 structure and attachments — 2.6% of failures

Motorcycle structure and attachments issues account for 2.6% of MOT failures on 1978 Harley-davidson Xlh1000 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.

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