| Most common failures | No# failures |
|---|
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Registration plate issues | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| 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| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Headlamp aim out of alignment | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| An item not tested |Manual| | 1 |
| Nearside Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Front Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Drive chain sprocket carrier worn to excess bearing |6.2.1e| | 1 |
| Front Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |