| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 6 |
| Headlamp aim out of alignment | 5 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Drive chain horseshoe locking device incorrectly fitted missing (6.1.7 (j) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Registration plate issues | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 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 position lamp incorrect colour |1.1.2a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |