| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Registration plate issues | 20 |
| Rear Position lamp not working (4.2.1 (a)) | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Too close together. (4.4.3 (a)) | 1 |
| Front Direction indicator obviously incorrectly positioned Too close together. (4.4.3 (a)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Stop lamp not working via front control (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| All direction indicators obviously incorrectly positioned front and rear indicators (4.4.3 (a)) | 1 |
| Rear Position lamp not working tail light not working (4.2.1 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Wheel spoke cracked (5.2.2 (d)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls adjusted front switch (4.3.2 (a) (iii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |