| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Registration plate issues | 7 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front wheel bearings are excessively rough Front wheel bearings rough action |2.3.5b| | 1 |
| Brake performance not tested due to rear pads worn down to metal |3.3| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Headlamp light source and lamp not compatible HID kit fitted |4.1.4 |c|| | 1 |
| Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Front Brake effort inadequate at a wheel Front brake action is not proposal to lever movement at lever |1.2.1 |a| |i|| | 1 |
| Rear suspension component loose lower bolt has no nut fitted |2.4.A.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Lower Rear suspension component loose |2.4.A.1a| | 1 |
| Front Exhaust has a major leak of exhaust gases excessive leak from exhaust manifold around cracked welds |6.1.2 |a|| | 1 |