| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Registration plate issues | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Brake lever excessively corroded |3.2.A1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Headlamp switch faulty |1.2.4| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Shock absorber likely to become detached rear suspension bolts finger tight (5.3.2 (a) (ii)) | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Rear Drive chain fouling another component |6.2.1d| | 1 |
| Centre Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Centre Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride c clip not securely fitted |6.2.1h| | 1 |
| Front suspension has a modification which reduces the strength of a load bearing member or its supporting structure. lower yoke fork tube supports |2.3.8| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 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 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake locking device missing rear brake plate arm bolt |3.2.A1e| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride c clip fitted incorrectly |6.2.1h| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride c clip missing |6.2.1h| | 1 |
| Brake hose is likely to be fouled or trapped by moving parts not fitted and secured correctly |3.2.B2c| | 1 |
| Nearside Front suspension assembly component loose lower fork tube securing bolt missing |2.3.1| | 1 |
| Offside Front suspension assembly component loose lower fork tube securing bolt missing |2.3.1| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |