Harley-davidson Hd MOT Pass Rate
Overall pass rate across all manufacture years, based on 308 real MOT test results. Failure rate: 12.3%.
Data from official DVSA MOT testing records
Harley-davidson Hd MOT Reliability Overview
The Harley-davidson Hd is a rare vehicle in the UK, with 308 MOT test results recorded in our database spanning 2 manufacture years. It has an overall MOT pass rate of 87.7% and a failure rate of 12.3%, which is well above the UK average of approximately 37%.
Based on this data, the Harley-davidson Hd earns a "Excellent" reliability rating. The average Harley-davidson Hd presents for MOT with approximately 21,181 miles on the clock. Manufacture year matters: 2010 models achieve the highest pass rate at 89.5%, while 1993 models have the lowest at 87.1%. This 2.4 percentage point difference suggests notable variation in build quality or component durability across production years.
The most common MOT failure for the Harley-davidson Hd is Motorcycle lamps and reflectors, affecting 4.2% of all tests. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. The second most common issue is Motorcycle lighting and signalling at 3.9%. Motorcycle fuel and exhaust rounds out the top three at 3.6%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.
Top failures across all manufacture years combined. Individual year pages may show different top failures.
What Fails Most
Pass Rate by Manufacture Year
* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Lighting And Signalling | 4.9% | 15 |
| 2 | Motorcycle Lamps And Reflectors | 4.2% | 13 |
| 3 | Motorcycle Fuel And Exhaust | 3.6% | 11 |
| 4 | Motorcycle Brakes | 2.6% | 8 |
| 5 | Motorcycle Reg Plates And Vin | 2.6% | 8 |
| 6 | Motorcycle Structure And Attachments | 1.6% | 5 |
| 7 | Motorcycle Steering And Suspension | 1.3% | 4 |
| 8 | Motorcycle Tyres And Wheels | 1.3% | 4 |
| 9 | Identification Of The Vehicle | 1.0% | 3 |
| 10 | Motorcycle Body And Structure | 0.6% | 2 |
| 11 | Motorcycle Tyres | 0.6% | 2 |
| 12 | Motorcycle Audible Warning (Horn) | 0.3% | 1 |
Failures per 10,000 Miles
avg. 21,181 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 lighting and signalling | 2.30 | 4.9% | 15 |
| Motorcycle lamps and reflectors | 1.99 | 4.2% | 13 |
| Motorcycle fuel and exhaust | 1.69 | 3.6% | 11 |
| Motorcycle brakes | 1.23 | 2.6% | 8 |
| Motorcycle reg plates and vin | 1.23 | 2.6% | 8 |
| Motorcycle structure and attachments | 0.77 | 1.6% | 5 |
| Motorcycle steering and suspension | 0.61 | 1.3% | 4 |
| Motorcycle tyres and wheels | 0.61 | 1.3% | 4 |
| Identification of the vehicle | 0.46 | 1.0% | 3 |
| Motorcycle body and structure | 0.31 | 0.6% | 2 |
| Motorcycle tyres | 0.31 | 0.6% | 2 |
| Motorcycle audible warning (Horn) | 0.15 | 0.3% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Harley-davidson Hd has 21,181 miles when tested for MOT.
📊 Mileage-Adjusted Failure Rate
How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.
The Harley-davidson Hd has a mileage-adjusted failure rate of 5.81% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Harley-davidson Hd MOT Data
The Harley-davidson Hd is a rare vehicle in the UK, with 308 MOT test results recorded in our database spanning 2 manufacture years. It has an overall MOT pass rate of 87.7% and a failure rate of 12.3%, which is well above the UK average of approximately 37%.
For Harley-davidson Hd owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle lamps and reflectors and motorcycle lighting and signalling for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific Hd is likely to perform.
Motorcycle lamps and reflectors — 4.2% of failures
Motorcycle lamps and reflectors issues account for 4.2% of MOT failures on the Harley-davidson Hd. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Motorcycle lighting and signalling — 3.9% of failures
Motorcycle lighting and signalling issues account for 3.9% of MOT failures on the Harley-davidson Hd. 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.
Motorcycle fuel and exhaust — 3.6% of failures
Motorcycle fuel and exhaust issues account for 3.6% of MOT failures on the Harley-davidson Hd. Motorcycle fuel and exhaust 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.
Frequently Asked Questions
What is the MOT pass rate for the Harley-davidson Hd?
Based on 308 MOT tests in our database, the Harley-davidson Hd has an overall pass rate of 87.7% (12.3% fail rate).
What are the most common MOT failures on a Harley-davidson Hd?
The top 3 reasons a Harley-davidson Hd fails its MOT are: 1. Motorcycle lamps and reflectors (4.2%), 2. Motorcycle lighting and signalling (3.9%), 3. Motorcycle fuel and exhaust (3.6%). Check these areas before booking your MOT.
Is the Harley-davidson Hd reliable?
With a 12.3% MOT failure rate, the Hd is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Harley-davidson Hd?
Based on failure data, focus on: Motorcycle lamps and reflectors (4.2%); Motorcycle lighting and signalling (3.9%); Motorcycle fuel and exhaust (3.6%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.