| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 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 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Footrest missing both rear |6.2.1a| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Suspension component mounting modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected not returning (6.2.7 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Fork yoke fractured (2.2.2 (d) (i)) | 1 |
| Fork yoke excessively deformed (2.2.2 (d) (i)) | 1 |