| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate issues | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake disc significantly and obviously worn Spec 4.5mm, measures 3.9mm (1.1.14 (a) (i)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 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 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 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 |
| Registration plate lamp issues | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Rear Footrest insecure E clip missing (6.2.12 (a)) | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake slight binding of front brake, needs attention! |3.3.A1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Footrest insecure |6.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front |1.3.1a| | 1 |
| Nearside Rear Footrest missing stuck up |6.2.1a| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Clutch lever shortened so it cannot be readily operated broken and sharp (6.2.7 (b)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Throttle operating incorrectly Sticks on |6.2.1f| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |