| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 38 |
| Rear reflector missing (4.8.2 (a) (ii)) | 36 |
| Registration plate issues | 22 |
| Registration plate lamp issues | 13 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| 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 |
| Handlebar grip insecure to handlebar Throttle (2.2.1 (d) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively tight, so that it is likely to fail Drive chain has links that are seized (6.1.7 (k) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp shows a flashing brake light (4.4.3 (b)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Stop lamp not working no front or rear stop light (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working rear light not working (4.2.1 (a)) | 1 |
| Horn not working not working (7.7 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment rear brake lever has far too much travel before brake applies (1.1.15 (f)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Stop lamp not working foot (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn worn past limit. and will require pads (1.1.14 (a) (i)) | 1 |
| Nearside Rear Drive chain excessively loose like a skipping rope.And when tension correct may show tight links !! (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess front very worn (6.1.7 (c) (i)) | 1 |
| Rear Vehicle identification number not legible (0.2 (b)) | 1 |
| Rear Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Stop lamp not working Control 2 (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |