| Most common failures | No# failures |
|---|
| Registration plate issues | 26 |
| Rear reflector on motorcycle missing |1.4.1| | 17 |
| Rear reflector missing (4.8.2 (a) (ii)) | 14 |
| Rear reflector missing |4.8.2 |a| |ii|| | 10 |
| Headlamp aim out of alignment | 7 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Front suspension assembly excessive wear or free play in a front suspension component coating coming off stantion |2.3.4| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Throttle operating incorrectly housing loose on bar |6.2.1f| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Offside Rear All position lamps not working |4.2.1 |a|| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Horn not working connection had come loose |7.7 |a| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Central Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Rear Brake pedal has insufficient reserve travel ABS warning light staying on ! (1.1.2 (a)) | 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 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 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 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Registration plate lamp issues | 1 |