| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 51 |
| Rear reflector missing (4.8.2 (a) (ii)) | 43 |
| Registration plate issues | 23 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| 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)) | 9 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Registration plate lamp issues | 5 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Drive chain sprocket so loose it is likely to fail 2 rear sprocket nuts cracked and insecure (6.1.7 (c) (ii)) | 1 |
| Rear Suspension arm pin or bush likely to become detached (5.3.4 (a) (ii)) | 1 |
| Front Direction indicator obviously incorrectly positioned less than 240mm apart (4.4.3 (a)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Not working off the front brake (4.3.2 (a) (iii)) | 1 |
| Offside Rear Lower Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear 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 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Brake fluid contaminated both (1.8 (a)) | 1 |
| Central Rear Lower Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Brake disc contaminated brake disc. (1.1.14 (b)) | 1 |
| Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Decelerometer brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Front Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected BOTH LOWER MOUNTS UNDER TOP YOLK. (2.2.1 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied BRAKE PEDAL TIP INCORRECTLY FITTED. (1.1.2 (d)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Direction indicator not working O/S rear indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing button stick on reflector fitted (4.8.2 (a) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) Securing nut loose (5.2.1 (a) (ii)) | 1 |
| Offside Rear Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned Not clearly visible (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned Not clearly visible (4.4.3 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| All direction indicators adversely affected by the operation of another lamp wired incorrect causing indicators to function in opposite manner (4.4.3 (b)) | 1 |
| Rear Brake performance unable to be tested (1.2.1 (g)) | 1 |