| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Registration plate issues | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| An item not tested |Manual| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Nearside Handlebar mounting insecure light switch loose horn, indicators (2.2.1 (a) (i)) | 1 |
| Offside Handlebar mounting insecure engine cut out button and light switch (2.2.1 (a) (i)) | 1 |
| Throttle operating incorrectly sticking on lock. (6.2.7 (a) (i)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Shock absorber has an excessively worn bush Lower shock bush and front dog bone bush (5.3.2 (c)) | 1 |
| Throttle operating incorrectly to tight on lock (6.2.7 (a) (i)) | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Brake pedal insecure clevis loose (1.1.2 (e) (i)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Rear Drive chain sprocket excessively loose bolt missing (6.1.7 (c) (i)) | 1 |
| Rear 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 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Brake hose connection leaking (1.1.12 (c)) | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on side light |1.1.3a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear suspension bush has excessive free play lower |2.4.A2a|i|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Motorcycle structure cracked |6.1.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |