MOT cost .

MOT failure · RFR #40105

Brake disc or drum significantly and obviously worn

Total

296

Models

44

Models most at risk.

Ranked by rate, not raw volume. A Fiesta shows every failure a lot because there are a lot of Fiestas. Rate = share of that model's own MOTs.

  1. 01 Yamaha X Max 125 Abs 1.47%
  2. 02 Yamaha NS 1.22%
  3. 03 Yamaha Nxc125 1.19%
  4. 04 Yamaha Gpd 1.09%
  5. 05 Yamaha YP 0.97%
  6. 06 Peugeot Tweet 0.97%
  7. 07 Honda SH 125 AD K 0.93%
  8. 08 Yamaha Gpd125 A Nmax 125 Abs 0.69%
  9. 09 Yamaha Tdm850 0.65%
  10. 10 Honda Xl650 0.62%
  11. 11 Honda WW 0.62%
  12. 12 Scomadi Turismo 0.55%
  13. 13 Suzuki UK 110 NM M0 0.55%
  14. 14 BMW R1100 0.55%
  15. 15 Honda SH 125 AD L 0.48%
  16. 16 BMW F650 0.47%
  17. 17 Honda Cb600 0.46%
  18. 18 Kawasaki ER 0.45%
  19. 19 Suzuki Tl1000s 0.44%
  20. 20 Yamaha X Max 300 0.43%
  21. 21 Honda Nss 0.42%
  22. 22 Honda Cbf 1000 A 7 0.39%
  23. 23 Triumph Tiger 1050 Abs 0.39%
  24. 24 Suzuki GW 0.38%
  25. 25 Honda Fjs600 0.38%
  26. 26 Yamaha XJ 6 S Diversion 0.32%
  27. 27 Kawasaki ZZ R1100 0.32%
  28. 28 BMW R850 0.31%
  29. 29 Piaggio Vespa Gts 300 Super 0.30%
  30. 30 Honda SH 0.28%

Top 30 by rate. 14 more models also logged this defect.

Cost orientation

Hard to predict in isolation — depends what's actually worn.

This defect doesn't map to a clean retail-part swap; ranges vary too widely without seeing the car. Use the estimator to bracket the all-in cost across the items most likely to surface alongside it.

Open estimator

Frequently asked.

Why does brake disc or drum significantly and… fail an MOT?
Brake disc or drum significantly and obviously worn. Most commonly flagged on the Yamaha X Max 125 Abs. The DVSA's MOT standards require this item to meet minimum safety thresholds — when it falls short, the tester logs it as a Major or Dangerous defect and the car fails outright.
How much does it cost to fix brake disc or drum significantly and…?
Costs vary depending on the vehicle, region, and severity. Use our MOT cost estimator for typical UK garage rates across the most common failure items.