| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 36 |
| Headlamp aim out of alignment | 35 |
| Registration plate issues | 20 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Registration plate lamp issues | 7 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 3 |
| 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)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Stop lamp not working control 2 (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested due to front brake binding (1.2.1 (g)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Nearside Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Rear Upper Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Upper Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Sticking and slow on return (6.2.7 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal leaking (5.3.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Lower Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Upper Throttle control functioning such that safe operation of the motorcycle is adversely affected sticks on (6.2.7 (a) (ii)) | 1 |
| Offside Rear 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 |
| Stop lamp not working rear brake application (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls not working from rear brake control (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Rear Lower Shock absorber insecurely attached bolt (5.3.2 (a) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear pedal (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Stop lamp not working hand brake (4.3.1 (a) (ii)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp not working rear switch not connected to brake pedal (4.3.1 (a) (ii)) | 1 |
| Rear Wheel spoke excessively loose multiple spokes (5.2.2 (d)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock handguards fouling on tank (removed handguards) (2.1.4 (b)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock Sat nav holder touching tank cover on right hand lock. (2.1.4 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Wheel bearing play so excessive it is likely to break up Rear wheel bearings (5.1.3 (a) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Wheel spoke excessively loose front wheel spokes (5.2.2 (d)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Rear Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Front Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear switch not working (4.3.2 (a) (iii)) | 1 |
| Rear Brake rod insecure (1.1.15 (c)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |