MOT failure · RFR #40107
Brake disc or drum excessively weakened, insecure or fractured
Total
72
Models
19
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.
- 01 Honda Nt700v 0.75%
- 02 Kawasaki ZZ R1100 0.74%
- 03 Kawasaki Zzr600 0.65%
- 04 Suzuki An400 0.63%
- 05 Honda Cbf500 0.60%
- 06 Honda Cbf 1000 A 7 0.59%
- 07 Honda Vtr1000 F 0.56%
- 08 Yamaha Xj900 0.43%
- 09 Kawasaki EN 0.41%
- 10 Honda Fjs600 0.38%
- 11 Yamaha Fjr1300 0.37%
- 12 Kawasaki ZX 12r 0.34%
- 13 Kawasaki VN 0.34%
- 14 Honda Vtr1000 SP 0.28%
- 15 Yamaha Fjr1300a 0.19%
- 16 Ktm 1190 0.15%
- 17 Kawasaki Klz 0.12%
- 18 Yamaha Fjr 0.10%
- 19 Triumph Scrambler 0.09%
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 excessively weakened,… fail an MOT?
- Brake disc or drum excessively weakened, insecure or fractured. Most commonly flagged on the Honda Nt700v. 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 excessively weakened,…?
- 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.