| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 50 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 32 |
| Nearside Front Footrest insecure |6.2.1a| | 23 |
| Offside Front Footrest insecure |6.2.1a| | 16 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 15 |
| Drive chain excessively loose |6.2.1d| | 14 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Horn not working |1.7.3a| | 10 |
| Nearside Footrest insecure |6.2.1a| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Registration plate issues | 8 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 7 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 7 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear position lamp insecure |1.1.1c| | 5 |
| Rear Brake disc|s| cracked |3.2.A1g| | 4 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 4 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Offside Footrest insecure |6.2.1a| | 3 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Footrest insecure |6.2.1a| | 2 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Nearside Front Direction indicator missing |1.5.1a| | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Front Footrest insecure |6.2.12 |a|| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Direction indicator not working |1.5.1c| | 2 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |