Harley-davidson Fatbob MOT Pass Rate
Overall pass rate across all manufacture years, based on 67 real MOT test results. Failure rate: 13.4%.
Data from official DVSA MOT testing records
Harley-davidson Fatbob MOT Reliability Overview
The Harley-davidson Fatbob is a rare vehicle in the UK, with 67 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 86.6% and a failure rate of 13.4%, which is well above the UK average of approximately 37%.
Based on this data, the Harley-davidson Fatbob earns a "Excellent" reliability rating. The average Harley-davidson Fatbob presents for MOT with approximately 8,927 miles on the clock. The 2009 manufacture year performs best with a 87.1% pass rate.
The most common MOT failure for the Harley-davidson Fatbob is Motorcycle brakes, affecting 7.5% of all tests. 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. The second most common issue is Motorcycle reg plates and vin at 4.5%. Motorcycle lighting and signalling rounds out the top three at 4.5%. 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 Brakes | 7.5% | 5 |
| 2 | Motorcycle Lighting And Signalling | 4.5% | 3 |
| 3 | Motorcycle Reg Plates And Vin | 4.5% | 3 |
| 4 | Motorcycle Fuel And Exhaust | 3.0% | 2 |
| 5 | Motorcycle Tyres And Wheels | 3.0% | 2 |
| 6 | Motorcycle Steering | 3.0% | 2 |
| 7 | Motorcycle Structure And Attachments | 3.0% | 2 |
| 8 | Motorcycle Lamps And Reflectors | 1.5% | 1 |
| 9 | Motorcycle Steering And Suspension | 1.5% | 1 |
| 10 | Motorcycle Tyres | 1.5% | 1 |
Failures per 10,000 Miles
avg. 8,927 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 brakes | 8.36 | 7.5% | 5 |
| Motorcycle lighting and signalling | 5.02 | 4.5% | 3 |
| Motorcycle reg plates and vin | 5.02 | 4.5% | 3 |
| Motorcycle fuel and exhaust | 3.34 | 3.0% | 2 |
| Motorcycle tyres and wheels | 3.34 | 3.0% | 2 |
| Motorcycle steering | 3.34 | 3.0% | 2 |
| Motorcycle structure and attachments | 3.34 | 3.0% | 2 |
| Motorcycle lamps and reflectors | 1.67 | 1.5% | 1 |
| Motorcycle steering and suspension | 1.67 | 1.5% | 1 |
| Motorcycle tyres | 1.67 | 1.5% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Harley-davidson Fatbob has 8,927 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 Fatbob has a mileage-adjusted failure rate of 15.01% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Harley-davidson Fatbob MOT Data
The Harley-davidson Fatbob is a rare vehicle in the UK, with 67 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 86.6% and a failure rate of 13.4%, which is well above the UK average of approximately 37%.
For Harley-davidson Fatbob owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle brakes and motorcycle reg plates and vin 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 Fatbob is likely to perform.
Motorcycle brakes — 7.5% of failures
Motorcycle brakes issues account for 7.5% of MOT failures on the Harley-davidson Fatbob. 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).
Motorcycle reg plates and vin — 4.5% of failures
Motorcycle reg plates and vin issues account for 4.5% of MOT failures on the Harley-davidson Fatbob. 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 — 4.5% of failures
Motorcycle lighting and signalling issues account for 4.5% of MOT failures on the Harley-davidson Fatbob. 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.
Frequently Asked Questions
What is the MOT pass rate for the Harley-davidson Fatbob?
Based on 67 (based on limited data) MOT tests in our database, the Harley-davidson Fatbob has an overall pass rate of 86.6% (13.4% fail rate).
What are the most common MOT failures on a Harley-davidson Fatbob?
The top 3 reasons a Harley-davidson Fatbob fails its MOT are: 1. Motorcycle brakes (7.5%), 2. Motorcycle reg plates and vin (4.5%), 3. Motorcycle lighting and signalling (4.5%). Check these areas before booking your MOT.
Is the Harley-davidson Fatbob reliable?
With a 13.4% MOT failure rate, the Fatbob is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Harley-davidson Fatbob?
Based on failure data, focus on: Motorcycle brakes (7.5%); Motorcycle reg plates and vin (4.5%); Motorcycle lighting and signalling (4.5%). 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.