| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 117 |
| Registration plate lamp issues | 65 |
| Stop lamp not working (4.3.1 (a) (ii)) | 28 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 24 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 19 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 19 |
| Stop lamp remains on when the brakes are released | 17 |
| Registration plate issues | 15 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Rear Position lamp not working (4.2.1 (a)) | 11 |
| Stop lamp not working |4.3.1 |a| |ii|| | 11 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 9 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Horn not working (7.7 (a)) | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Riders seat insecure (6.2.5 (a) (ii)) | 6 |
| Front Position lamp not working (4.2.1 (a)) | 6 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Rear Position lamp not working |4.2.1 |a|| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Stop lamp does not illuminate immediately a brake applies both controls |1.3.1a| | 4 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Offside Front Position lamp not working (4.2.1 (a)) | 4 |
| Headlamp aim not tested |4.1.2 |b|| | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 3 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp aim not tested |1.6| | 3 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 3 |
| Front Headlamp aim not tested (4.1.2 (b)) | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Riders seat insecure |6.2.5 |a| |ii|| | 2 |
| Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 2 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Wheel excessively distorted |5.2.2 |c| |i|| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Stop lamp not working stop lamp replaced (4.3.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |