| Most common failures | No# failures |
|---|
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 13 |
| Registration plate lamp issues | 12 |
| Headlamp aim out of alignment | 11 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 5 |
| Horn not working (7.7 (a)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Registration plate issues | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Fuel pipe leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Engine mounting/bracket missing engine bolt (6.1.8 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Throttle operating incorrectly throttle cable routed wrong (6.2.7 (a) (i)) | 1 |
| Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly insecure (6.2.7 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar Left grip loose (2.2.1 (d) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock Head bearings notchy (2.1.4 (c)) | 1 |
| Central Front All position lamps not working Front side lights not working (4.2.1 (a)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect headlight wired up incorrectly (4.1.2 (c)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Front Direction indicator likely to become detached panel holding indicator missing bolts (4.4.1 (c) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Throttle operating incorrectly throttle cable badly adjusted (6.2.7 (a) (i)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Brake effort inadequate at a wheel not working (1.2.1 (a) (i)) | 1 |
| Rear Footrest missing missing/broken (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both fork legs leaking badly (5.3.2 (b)) | 1 |