MOT failure · RFR #40204
Excessive fluctuation in brake effort through each wheel revolution
Total
1,725
Models
96
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.
Failure match · your reg
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- 01 Lexmoto Lxr 125 SY 125 10 2.60%
- 02 Ktm 125 1.19%
- 03 Kawasaki Zzr600 1.07%
- 04 Yamaha Xj600 1.06%
- 05 Yamaha Gpd 1.04%
- 06 Kawasaki Er5 1.00%
- 07 Yamaha Yzf R125 0.98%
- 08 Yamaha Yzf 0.92%
- 09 Ducati Scrambler 0.86%
- 10 Suzuki Gsxr600 0.85%
- 11 Honda Nt650v 0.74%
- 12 Honda Cb600 0.67%
- 13 Ktm 1290 0.65%
- 14 Yamaha Xj900 0.64%
- 15 Kawasaki ZZ R1100 0.63%
- 16 Honda CB 650 RA K 0.63%
- 17 Yamaha Tdm900 0.62%
- 18 Triumph Trophy 0.60%
- 19 Kawasaki ZX 6R 0.58%
- 20 Triumph Speed 0.58%
- 21 Triumph Street Triple RS 0.57%
- 22 Kawasaki ZX 7R 0.55%
- 23 Honda Cbr600rr 0.54%
- 24 Yamaha Fzs600 0.51%
- 25 Honda Cbr600f 0.51%
- 26 Suzuki Gsxr750 0.50%
- 27 Yamaha Gpd125 A Nmax 125 Abs 0.50%
- 28 Ccm Unclassified 0.50%
- 29 Suzuki Gsx1300r 0.50%
- 30 Ducati M 0.49%
Top 30 by rate. 66 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.
Frequently asked.
- Why does excessive fluctuation in brake effort through… fail an MOT?
- Excessive fluctuation in brake effort through each wheel revolution. Most commonly flagged on the Lexmoto Lxr 125 SY 125 10. UK 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 excessive fluctuation in brake effort through…?
- 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.
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