| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 8 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 6 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Headlamp aim out of alignment | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Offside Front Steering damper insecure |2.1.2d| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Front position lamp obscured more than 50% |1.1.1d| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Brake cable has a significantly damaged outer casing. |3.2.A1b| | 1 |
| Rear Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Rear Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel more than one fixing missing |5.2.1 |a| |ii|| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake cable badly frayed |3.2.A1b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |