Yamaha Unclassified MOT Failures
An analysis of 6,405 real DVSA MOT tests on the Yamaha Unclassified — what fails, how often, and how that compares to every other car on UK roads.
Where the Yamaha Unclassified fails its MOT
The single biggest MOT failure point on the Yamaha Unclassified is obligatory mirror or device missing — this model is 144 times more likely to fail on this item than the average car on UK roads. That makes it an extreme outlier for anyone buying or owning this model. Across 6,405 MOT tests, 1.54% of all Yamaha Unclassified tests recorded this as a failure.
Other notable weak points include reflector missing or reflecting white to the rear (135x the fleet average), exhaust system damage (134x the fleet average), track rod ends worn (23x the fleet average), and light unit fault (19x the fleet average). These ratios compare the Yamaha Unclassified's failure rate on each item against the national average for all cars tested — a ratio of 10x means this model fails ten times more often than a typical car.
The failures span 5 categories: Wipers & Windscreen, Lights & Electrics, Bodywork, Steering, Suspension. If you're inspecting a Yamaha Unclassified before purchase, these are the areas to focus on — and if any have been flagged as advisories on a previous MOT, they're likely to become failures in the near future.
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What to check before buying a Yamaha Unclassified
Based on the MOT failure data and known issues above, here's what to prioritise when inspecting a Yamaha Unclassified:
Wipers & Windscreen — check for obligatory mirror or device missing. Lights & Electrics — check for reflector missing or reflecting white to the rear, light unit fault. Bodywork — check for exhaust system damage. Steering — check for track rod ends worn.
Always check the car's full MOT history for patterns — recurring advisories often become failures within 12 months. Enter any reg into our free car check to see the complete picture.
Check this Yamaha Unclassified's service history
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Yamaha Unclassified MOT FAQs
What are the most common MOT failures on a Yamaha Unclassified?
Based on 6,405 DVSA MOT tests, the most common failure is obligatory mirror or device missing — at 144x the national fleet average. Other frequent failures include reflector missing or reflecting white to the rear and exhaust system damage.
Is the Yamaha Unclassified reliable based on MOT data?
The Yamaha Unclassified has 6 categories where it fails more often than average. The main concern is obligatory mirror or device missing. Always check a specific car's full history before buying.
What MOT failures should I expect at high mileage?
The most common high-mileage failures include obligatory mirror or device missing, reflector missing or reflecting white to the rear, exhaust system damage.
How do I check a Yamaha Unclassified's MOT history?
Enter the registration number into our free car check above. You'll see every MOT test result, advisories and failures, mileage readings, write-off status, and finance checks.
MOT failure data sourced from DVSA bulk test records via data.gov.uk. Ratios compare this model's failure rate against the national fleet average. Known issues sourced from manufacturer bulletins, specialist workshops, and verified owner reports.