| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 38 |
| Registration plate issues | 23 |
| Horn not working (7.7 (a)) | 14 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| 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)) | 5 |
| Headlamp aim out of alignment | 4 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Direction indicator not working both (4.4.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Horn not working earth lead unpluged (7.7 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned too close together
(Mandatory direction indicators must have minimum separation distances between the illuminating surfaces of:
solo motorcycles - 240mm at the front and 180mm at the rear) (4.4.3 (a)) | 1 |
| Horn not working Dirty connections cleaned & lubricated. (7.7 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front All direction indicators obviously incorrectly positioned too close together (4.4.3 (a)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Stop lamp not working REAR BRAKE (4.3.1 (a) (ii)) | 1 |
| Offside Front Handlebar retaining device missing (2.2.1 (b) (i)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Horn not working broken wire to horn (7.7 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Both sides (4.4.3 (a)) | 1 |
| Front Shock absorber has a serious fluid leak Front forks leaking oil (5.3.2 (b)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Stop lamp not working when operating rear brake (4.3.1 (a) (ii)) | 1 |
| Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |