| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Front Handlebar deformed |2.1.1b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Centre Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Registration plate issues | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |