| Most common failures | No# failures |
|---|
| Registration plate issues | 12 |
| Headlamp aim out of alignment | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| 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)) | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front position lamp does not illuminate immediately when switched on main beam |1.1.3a| | 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 Valve stem seriously misaligned |5.2.3 |j|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 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 |
| Central Front All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Central Rear All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Central Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect Upside down (4.1.2 (c)) | 1 |
| Central Throttle operating incorrectly Throttle cables not secure in throttle body - Causing throttle to stick (6.2.7 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive belt so worn it is likely to fail Teeth separating on belt (6.1.7 (c) (ii)) | 1 |
| Drive belt pulley worn to excess (6.1.7 (c) (i)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |