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