| Most common failures | No# failures |
|---|
| Registration plate issues | 18 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Headlamp aim out of alignment | 10 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Front Wheel spoke excessively loose |4.2.1b| | 4 |
| Rear Wheel spoke excessively loose |4.2.1b| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Indicator switch insecure |1.5.4| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Brake excessively binding Rear (1.2.1 (f)) | 1 |
| Inner Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Brake pedal mounting insecure |3.1.2a| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Brake fluid reservoir fluid level significantly below minimum level brake fluid reservoir leaking (1.1.10 (d) (ii)) | 1 |
| All direction indicators not working All indicators not flashing (4.4.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Fuel pipe leaking |6.1.3 |b| |i|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Rear control |1.3.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Wheel spoke excessively corroded |4.2.1b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp aim headlamp deteriorated and function impaired very dim |1.2.3a| | 1 |
| Direction indicators affected by the operation of another lamp REAR indicators interfere with the brake light |1.5.1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake component is fractured front brake lever |3.1.5| | 1 |
| Front Front wheel insecure |4.2.3b| | 1 |