| Most common failures | No# failures |
|---|
| Registration plate issues | 63 |
| Headlamp aim out of alignment | 19 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 10 |
| 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| | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Horn control not functioning. |1.7.2b| | 2 |
| Offside 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 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 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 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp not working Control one switch (4.3.1 (a) (ii)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| All direction indicators obviously incorrectly positioned rear leds 70 mm apart . minimum 180mm apart . traffic need to see which way you are turning (4.4.3 (a)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Upper Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Lower Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |