| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Headlamp aim out of alignment | 5 |
| Registration plate issues | 5 |
| Registration plate lamp issues | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Steering lock stop maladjusted |2.1.3| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake master cylinder reservoir cap missing (1.1.10 (e)) | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 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 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |