| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Headlamp aim out of alignment | 5 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect rear suspension seized, no suspension movement (5.3.2 (b)) | 1 |
| 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 |
| Rear Suspension arm likely to fail (5.3.3 (b) (ii)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Rear Shock absorber has negligible damping effect Excessively stiff (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Suspension component modified so the suspension is inoperative Seized (5.3.3 (c) (ii)) | 1 |
| Offside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Offside Rear Stop lamp does not illuminate by the operation of both brake controls foot brake (4.3.2 (a) (iii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber has negligible damping effect linkages ceased coursing rear suspension to be inoperative (5.3.2 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Lower Suspension component corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Suspension component corroded and seriously weakened rear suspension not moving freely due to corrosion (5.3.3 (b) (i)) | 1 |
| Rear Suspension rod mounting modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber has negligible damping effect COULD BE A SEIZED LINKAGE WILL NEED FUTHER INVESTIGATING (5.3.2 (b)) | 1 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working Rear pedal not activating stop light (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |