| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Registration plate issues | 7 |
| Headlamp aim out of alignment | 6 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working |1.7.3a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Lower Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Motorcycle structure cracked |6.1.1a| | 1 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Wheel inadequatly repaired significantly reducing the original strength |4.2.1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Footrest missing Both rear footrests |6.2.1a| | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Handlebar fractured (2.2.1 (c) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake does not operate brake light (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock Clutch cable catching in lock stop on left lock (2.1.4 (c)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |