| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Rear Lower Direction indicator not working |1.5.1c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Lower Rear suspension bush has excessive free play shock absorber |2.4.A2a|i|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Outer Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Registration plate issues | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Position lamp lens seriously defective (4.2.1 (b)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Rear Brake locking device missing split pin mising (3.2.A1e) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.5.1) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Brake reaction bracket insecure |3.2.A1j| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |