| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 66 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 19 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 12 |
| Registration plate issues | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 9 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 6 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 20KGF (1.2.1 (e)) | 1 |
| Steering headbearing excessively stiff or notchy notchy with front wheel raised (2.2.2 (f) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Rear Lower Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp lens seriously defective OFF ROAD USE ONLY on the cover (4.1.1 (b) (ii)) | 1 |
| Rear Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 40KGFs (1.2.1 (e)) | 1 |
| Rear Lower Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Motorcycle structure is fractured and structural rigidity is significantly reduced subframe (6.1.1 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain worn to excess both chain and sprockets worn (6.1.7 (c) (i)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Footrest insecure riders lh footpeg missing circlip (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Central Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp lens seriously defective "OFF ROAD USE ONLY" on light cover (4.1.1 (b) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Front Lower Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Rear Lower Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn Below Minimum Limit (1.1.14 (a) (i)) | 1 |
| Rear Footrest missing Both Missing (6.2.12 (a)) | 1 |
| Front Shock absorber has negligible damping effect Spot light touching fender (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort Discs are warped. (1.2.1 (e)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort Brake disc is excessively warped. (1.2.1 (e)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls F brake light switch intermittent fault. (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim projected beam image obviously incorrect led bulbs fitted giving very poor beam image. (4.1.2 (c)) | 1 |
| Offside Front Direction indicator not working O/S front indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake caliper inadequately mounted fitted incorrectly (1.1.16 (c) (i)) | 1 |