| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Headlamp insecure (4.1.1 (c)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Motorcycle structure joining/attachment plate or fastening insecure L Plate fouling brake disc |6.1.1 |b| |i|| | 1 |
| Rear Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (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 loose on handle bar (6.2.7 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake pivot has restricted free movement (1.1.15 (e)) | 1 |
| Brake clevis joint insecure (1.1.15 (c)) | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp not working REAR BRAKE LIGHT SWITCH (4.3.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Central Front Horn control not functioning. |1.7.2b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Lower Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Offside Rear Lower Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Rear Upper Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Motorcycle structure is deformed and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Central Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn swinging arm bushes badly worn (5.3.4 (a) (i)) | 1 |
| Rear Brake lining(s) contaminated possibly on metal (1.1.13 (b)) | 1 |
| Nearside Front Brake pedal anti-slip provision missing Riders main pedal Rubber (1.1.2 (c)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail cush drive bushes. (6.1.7 (c) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Stop lamp switch with a delay in operation rear control stays on (4.3.2 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess cushe rubbers worn (6.1.7 (c) (i)) | 1 |