| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Front wheel bearings are excessively rough |2.3.5b| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Fairings insecure and likely to impede the steering front mudguard bolt missing |2.1.2e| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Rear Brake lever excessively corroded safety ball missing sharp edge |1.1.15 |b|| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle does not return to closed (6.2.7 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Stop lamp not working not working from offside brake lever (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |