| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 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 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 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 Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| 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 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Locking devices 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 |
| Fuel system component insecure |7.2.1b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |