| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate issues | 2 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Direction indicators affected by the operation of another lamp dose not flash when main beam operated |1.5.1c| | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure rear carrier insecure |6.1.1 |b| |i|| | 1 |
| Stop lamp not working With right brake lever. (4.3.1 (a) (ii)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock Fouling both mirrors on full locks. (2.1.4 (a)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Horn control defective horn sticks on |1.7.2a| | 1 |
| Registration plate lamp issues | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |