| Most common failures | No# failures |
|---|
| Registration plate issues | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front An item not tested |Manual| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Headlamp aim out of alignment | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 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 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Inner Rear Rear wheel spindle loose |2.4.A.2b| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Decelerometer brake test the less effective brake control does not achieve an efficiency of 25%. |3.3.E1b| | 1 |
| Rear Brake pedal mounting insecure |3.1.2a| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear An item not tested |Manual| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |