| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Registration plate issues | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Horn not working |1.7.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Centre Front Upper Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Offside Rear Chain guard insecure Chain Guard missing |6.2.1c| | 1 |
| Nearside Rear Lower Footrest insecure rear foot peg mounting loose |6.2.1a| | 1 |
| Offside Rear Lower Footrest insecure rear foot peg mounting loose |6.2.1a| | 1 |
| Nearside Rear Lower Rear wheel spindle securing nut locking device insecure split pin missing |2.4.A.2b| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Brake component insecure front lever locknut replaced (1.1.21 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear axle locking pin missing |6.2.1h| | 1 |
| Rear Lower Brake component modification unsafe caliper bolt loose (cross threaded ) (1.1.21 (d) (i)) | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Rear Upper Exhaust mounting does not fully support the exhaust system Bolt missing not sercure |7.1.1.c| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Offside Rear Outer Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |