| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Front Brake excessively binding (1.2.1 (f)) | 12 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Horn not working |1.7.3a| | 6 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Registration plate issues | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment control 2 (1.1.15 (f)) | 1 |
| Front Brake disc significantly and obviously worn warped (1.1.14 (a) (i)) | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied control (1.1.2 (d)) | 1 |
| Nearside Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced WHEN HORN IS PRESSED |4.1.4 |a|| | 1 |
| Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Steering damper in such a condition that the steering action is adversely affected (2.1.4 (d) (ii)) | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Horn not working (1.7.3a) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Brake hose excessively deteriorated | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Wheel bearing play so excessive that directional control is impaired excess play in rear wheel (5.1.3 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel rear brake lever no reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |