| Most common failures | No# failures |
|---|
| Registration plate issues | 26 |
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Headlamp aim out of alignment | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Wheel more than one fixing missing no locking pin in castle nut of rear spindle (5.2.1 (a) (ii)) | 1 |
| Rear Wheel more than one fixing missing split pin missing from rear axle nut (5.2.1 (a) (ii)) | 1 |
| Front Brake lever insecure circlip missing from pivot pin (1.1.2 (e) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Centre Front Lower Front position lamp incorrect colour |1.1.2a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick up to right |4.1.2 |a|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Stop lamp remains on when the brake is released front brake control |1.3.1e| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Registration plate lamp issues | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Nearside Front Upper Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Offside Front Horn replaced by a gong |1.7.3b| | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |