| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Rear Position lamp not working (4.2.1 (a)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Registration plate issues | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 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 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Brake lever not releasing correctly and functionality of brakes affected backed off locking nut (1.1.2 (b) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy Notched (2.2.2 (f) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Central Front Steering operation impeded by a fairing Clutch cable restricting movement. (2.1.4 (e)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Steering headbearing excessively stiff or notchy notch in centre (2.2.2 (f) (i)) | 1 |
| Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak leg (5.3.2 (b)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak both front fork seals leaking. (5.3.2 (b)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain excessively loose Rusty (6.1.7 (c) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested Due to dip beam not working (4.1.2 (b)) | 1 |
| Offside Rear Lower Brake fluid contaminated (1.8 (a)) | 1 |
| Offside Front Lower Brake disc in such a condition that it is seriously weakened (1.1.14 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached Horseshoe locking device missing (6.1.7 (j) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain excessively loose (6.2.1d) | 1 |
| Headlamp aim not tested No dip or headlight beams working. (4.1.2 (b)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect dip (4.1.2 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect main (4.1.2 (c)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp insecure Nearside mounting fitting missing (4.1.1 (c)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Footrest missing snapped off (6.2.12 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle cable tight and revs bike on full lock (6.2.7 (a) (ii)) | 1 |
| Rear Stop lamp not working Rear switch sticking and blown bulb. (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working blown bulb. (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working Blown bulb. (4.2.1 (a)) | 1 |
| Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |