| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Offside Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake lever has restricted free movement at drum sticking on |1.1.15 |e|| | 1 |
| Front Exhaust has a major leak of exhaust gases at head |6.1.2 |a|| | 1 |
| Chain guard insecure |6.1.7 |i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |