| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Offside Rear Direction indicators not working |1.5.1c| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Shock absorber insecurely attached rear shock not connected to frame |5.3.2 |a| |i|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake cable badly frayed |3.2.A1b| | 1 |
| Gradient brake test No brake control achieves an efficiency of 30%. |3.3.D1a| | 1 |
| Gradient brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.D1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |