| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Registration plate issues | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake locking device insecure brake anchor plate nut missing-only held by split pin |3.2.A1e| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Central Headlamp at least one does not illuminate on dipped beam blown bulb |1.2.2a|i|| | 1 |
| Front Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering headbearing has excessive free play nut loose |2.2.2| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Exhaust is leaking and excessively noisey head |7.1.1b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp switch faulty main and dip wrong way round |1.2.4| | 1 |
| Throttle operating incorrectly too much freeplay |6.2.1f| | 1 |
| Rear Brake locking device missing lower arm |3.2.A1e| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Nearside Front Footrest insecure split pin missing (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure split pin missing (6.2.12 (a)) | 1 |
| Rear Brake master cylinder leaking brake fliud cap leaking (1.1.10 (b) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Stop lamp does not illuminate by the operation of both brake controls Brake light not operating when front brake applied (4.3.2 (a) (iii)) | 1 |
| Front Position lamp not working side light in-op (4.2.1 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Footrest insecure (6.2.12 (a)) | 1 |
| Horn sound not in accordance with requirements horn fades out (7.7 (c)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Central Inner Fuel system component leaking excessively or a risk of fire Carb leaking fuel. (6.1.3 (b) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Stop lamp not working not operating on front or rear brake (4.3.1 (a) (ii)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Central Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp switch missing (4.5.3 (a)) | 1 |
| Emissions unable to be completed (8.2.1.2 (d)) | 1 |
| Exhaust fumes entering cabin (6.1.2 (b) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced seat mount area (7.1.1 (a) (i)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Rear Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected excessive play (2.2.2 (f) (ii)) | 1 |
| Central Front Upper Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake drum contaminated (1.1.14 (b)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Windscreen washer not working | 1 |
| Brake pipe excessively corroded | 1 |