| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 243 |
| Registration plate issues | 36 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 31 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 20 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 20 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 7 |
| Horn not working |1.7.3a| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Throttle operating incorrectly |6.2.1f| | 6 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 6 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 5 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 5 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 3 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Brake pipe union leaking fluid |3.2.B4| | 2 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 2 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Horn not working (7.7 (a)) | 2 |