| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 38 |
| Rear reflector missing (4.8.2 (a) (ii)) | 31 |
| Registration plate issues | 12 |
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Rear Footrest missing (6.2.12 (a)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Registration plate lamp issues | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Footrest missing passenger footrests missing (6.2.12 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Bulb blown (4.3.2 (a) (iii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Engine mounting/bracket missing Front/top engine mount bolts missing on both sides of bike (6.1.8 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake lever pivot excessively tight rear brake lever stiff (1.1.1 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls rear brake light inoperative (4.3.2 (a) (iii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock Steering stop snapped and ineffective (2.1.4 (b)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Footrest missing both sides (6.2.12 (a)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear Footrest missing Pillion foot rest missing (6.2.12 (a)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |