| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear Brake lever mounting insecure |3.1.2a| | 4 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Centre Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside 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 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |