Ajs Js 125 MOT Pass Rate
Overall pass rate across all manufacture years, based on 40 real MOT test results. Failure rate: 17.5%.
Data from official DVSA MOT testing records
Ajs Js 125 MOT Reliability Overview
The Ajs Js 125 is a rare vehicle in the UK, with 40 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 82.5% and a failure rate of 17.5%, which is well above the UK average of approximately 37%.
Based on this data, the Ajs Js 125 earns a "Excellent" reliability rating. The average Ajs Js 125 presents for MOT with approximately 9,149 miles on the clock.
The most common MOT failure for the Ajs Js 125 is Motorcycle drive system, affecting 22.5% of all tests. Motorcycle drive system issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. The second most common issue is Motorcycle brakes at 20.0%. Motorcycle lighting and signalling rounds out the top three at 17.5%. 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
* 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 Drive System | 22.5% | 9 |
| 2 | Motorcycle Brakes | 20.0% | 8 |
| 3 | Motorcycle Lighting And Signalling | 17.5% | 7 |
| 4 | Motorcycle Steering And Suspension | 10.0% | 4 |
| 5 | Motorcycle Tyres And Wheels | 10.0% | 4 |
| 6 | Motorcycle Driving Controls | 2.5% | 1 |
Failures per 10,000 Miles
avg. 9,149 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 drive system | 24.59 | 22.5% | 9 |
| Motorcycle brakes | 21.86 | 20.0% | 8 |
| Motorcycle lighting and signalling | 19.13 | 17.5% | 7 |
| Motorcycle steering and suspension | 10.93 | 10.0% | 4 |
| Motorcycle tyres and wheels | 10.93 | 10.0% | 4 |
| Motorcycle driving controls | 2.73 | 2.5% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Ajs Js 125 has 9,149 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 Ajs Js 125 has a mileage-adjusted failure rate of 19.13% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Ajs Js 125 MOT Data
The Ajs Js 125 is a rare vehicle in the UK, with 40 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 82.5% and a failure rate of 17.5%, which is well above the UK average of approximately 37%.
For Ajs Js 125 owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle drive system and motorcycle brakes 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 Js 125 is likely to perform.
Motorcycle drive system — 22.5% of failures
Motorcycle drive system issues account for 22.5% of MOT failures on the Ajs Js 125. Motorcycle drive system 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 brakes — 20.0% of failures
Motorcycle brakes issues account for 20.0% of MOT failures on the Ajs Js 125. 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 lighting and signalling — 17.5% of failures
Motorcycle lighting and signalling issues account for 17.5% of MOT failures on the Ajs Js 125. 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 Ajs Js 125?
Based on 40 (based on limited data) MOT tests in our database, the Ajs Js 125 has an overall pass rate of 82.5% (17.5% fail rate).
What are the most common MOT failures on a Ajs Js 125?
The top 3 reasons a Ajs Js 125 fails its MOT are: 1. Motorcycle drive system (22.5%), 2. Motorcycle brakes (20.0%), 3. Motorcycle lighting and signalling (17.5%). Check these areas before booking your MOT.
Is the Ajs Js 125 reliable?
With a 17.5% MOT failure rate, the Js 125 is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Ajs Js 125?
Based on failure data, focus on: Motorcycle drive system (22.5%); Motorcycle brakes (20.0%); Motorcycle lighting and signalling (17.5%). 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.