| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Registration plate issues | 4 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle operating incorrectly Fast idle/increasing, rpm holds when throttle used, not returning to idle |6.2.1f| | 1 |
| Nearside Front Steering lock stop maladjusted |2.1.3| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride FRONT WHEEL SPINDLE NUT SPLIT PI AND REAR BRAKE TORQUE ARM SPLIT PIN |6.2.1h| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride wheel spindle |6.2.1h| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Chain joining link. |6.2.1h| | 1 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Wheel fixing missing (single fixing) split pin missing (5.2.1 (a) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure swingarm pivot shaft not tight, causing excessive play. (5.3.3 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn missing |1.7.1| | 1 |
| Offside Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |