| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Headlamp aim out of alignment | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Steering lock stop maladjusted |2.1.3| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 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 Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Registration plate issues | 1 |
| Brake hose damaged | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Central Front Inner Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Offside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |