| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 11 |
| 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 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| 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)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Registration plate lamp issues | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Offside Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp does not emit a steady light when front and rear brake applied |1.3.1b| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear reflector on motorcycle damaged and function impaired |1.4.2a| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 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 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |