| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Headlamp aim out of alignment | 9 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Registration plate lamp issues | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front 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 Rear brake switch not working (4.3.2 (a) (iii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear reflector missing Fit Reflector (4.8.2 (a) (ii)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain excessively loose likely to fail or come off drive gear (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working on brake pedal (4.3.2 (a) (iii)) | 1 |
| Offside Rear Footrest insecure 8MM FOOTREST MOUNTING PLATE BOLT MISSING (6.2.12 (a)) | 1 |
| Headlamp aim not tested aftermarket headlamp-no readable pattern (4.1.2 (b)) | 1 |
| Rear Stop lamp not working comes on-then goes off (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working footbrake (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted .missing locking device (6.1.7 (j) (i)) | 1 |
| Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Right hand rear footrest bracket bolt loose (6.1.1 (b) (i)) | 1 |
| Stop lamp not working not working off rear brake (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working Front control. (4.3.1 (a) (ii)) | 1 |
| Drive chain worn to excess Has tight spot. (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls From rear brake control (4.3.2 (a) (iii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Footrest missing Both rear footrests seized in upright position so cannot be used (6.2.12 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Stop lamp not working not working when rear brake applied (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Exhaust has a major leak of exhaust gases Back box (6.1.2 (a)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |