| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 8 |
| Registration plate issues | 8 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Stop lamp missing |1.3.3a| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. seized |2.3.6b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies both |1.3.1a| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Offside Fork yoke deformed |2.1.1b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Front Suspension rod modified so the suspension is inoperative |5.3.3 |c| |ii|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Offside Front Suspension rod modified so the suspension is inoperative |5.3.3 |c| |ii|| | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts (3.2.B2c) | 1 |
| Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned must be 180mm apart (4.4.3 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Indicator tell tale not operating correctly (1.5.2) | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Rear Stop lamp likely to become detached (4.3.1 (c) (ii)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle speed increasing when handlebars are hard to the right.Freed up cable (6.2.7 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |