| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Registration plate issues | 21 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Horn not working |1.7.3a| | 6 |
| Brake pipe excessively corroded | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate lamp issues | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Nearside Brake component is excessively corroded |3.1.5| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| 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| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 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 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Sidecar wheel bearings have excessive free play |5.2.3c| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Lower Motorcycle structure cracked |6.1.1a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Horn missing |1.7.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |