| Most common failures | No# failures |
|---|
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 16 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 12 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Registration plate issues | 7 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Headlamp aim out of alignment | 4 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Front wheel insecure |4.2.3b| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Brake pedal insecure |3.1.2a| | 2 |
| Offside Front suspension assembly component loose |2.3.1| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Centre Rear Upper Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Centre Rear Lower Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Rear Lower Brake drum|s| cracked |3.2.A1g| | 1 |
| Nearside Rear Lower Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Lower Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake locking device missing split pin missing from rear brake lever pin |3.2.A1e| | 1 |
| Front Horn control defective |1.7.2a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Wheel fixing loose |multiple fixings| |5.2.1 |a| |i|| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front suspension spring worn and seriously weakened |2.3.2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Front Brake cable badly frayed |3.2.A1b| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Riders seat missing |6.2.1a| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake drum|s| insecure |3.2.A1g| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Offside Lower Front suspension assembly component loose |2.3.1| | 1 |
| Centre Rear Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Lower Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Front Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |