| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Horn not working |1.7.3a| | 2 |
| Registration plate issues | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies foot operated |1.3.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Central Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Drive belt fouling another component |6.2.1d| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |