| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 10 |
| Headlamp aim out of alignment | 8 |
| Horn not working (7.7 (a)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 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 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Lower Suspension arm ball joint excessively worn shock link arm bushes worn to excess (5.3.4 (a) (i)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Nearside Handlebar restricted in free movement from lock to lock Yoke locating bolts missing. (2.1.4 (c)) | 1 |
| Nearside Handlebar retaining device missing (2.2.1 (b) (i)) | 1 |
| Offside Handlebar retaining device missing (2.2.1 (b) (i)) | 1 |
| Front Brake lever has insufficient reserve travel Spongy, suspect air in system (1.1.2 (a)) | 1 |
| Rear Brake disc fractured Cracked (1.1.14 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Registration plate issues | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls not working with rear brake switch (4.3.2 (a) (iii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls brake pedal (4.3.2 (a) (iii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Headlamp aim unable to be tested Lose (4.1.2 (b)) | 1 |
| Nearside Front Handlebar grip missing (2.2.1 (d) (i)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak n s front fork leaking oil (5.3.2 (b)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls CONTROL (4.3.2 (a) (iii)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |