| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Footrest insecure O/S Riders footrest |6.2.1a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear suspension bush has excessive free play swinging arm bushes |2.4.A2a|i|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking engine is loose in frame and lower left rail is insecure |6.1.1c| | 1 |
| Front Steering headbearing has excessive free play head bearings are too loose |2.2.2| | 1 |
| Footrest insecure rider footrests are insecure |6.2.1a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Horn not working |1.7.3a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Registration plate lamp issues | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Nearside Front Engine mounting/bracket fractured (6.1.8 (a) (ii)) | 1 |
| Nearside Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Lower Steering headbearing has excessive free play (2.2.2) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Lower Engine mounting/bracket bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |