| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 34 |
| Headlamp aim out of alignment | 25 |
| Rear reflector missing (4.8.2 (a) (ii)) | 19 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 11 |
| Registration plate issues | 10 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 9 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Brake hose damaged | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel Needs re-adjustment (1.1.2 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock Handguards fouling screen (2.1.4 (c)) | 1 |
| 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 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort DISTORTED DISK (1.2.1 (e)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Direction indicator not working new bulb fitted and ok (4.4.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged valve stem breaking up (5.2.3 (j)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Drive chain worn to excess Several seized links due to lack of lubrication (6.1.7 (c) (i)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp not working rear control (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling Chain adjuster loose causing issue... Adjusted and secured (2.4 (a)) | 1 |
| Front Handlebar grip insecure to handlebar R/H HANDLEBAR GRIP LOOSE IN POSITION. (2.2.1 (d) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect both headlight project wrong way (4.1.2 (c)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak right hand side (5.3.2 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Central Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear brake light switch disconnected. (4.3.2 (a) (iii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Led bulbs fitted with no visible cut off line or kick up. (4.1.2 (c)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Wheel fixing loose (multiple fixings) wheel spindle pinch bolt slack (5.2.1 (a) (i)) | 1 |
| Offside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |