| Most common failures | No# failures |
|---|
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Offside Front Brake component is severely distorted Brake Lever |3.1.5| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear suspension bearing has excessive free play Swing Arm |2.4.A2a|i|| | 1 |
| Direction indicators flashing more than 120 times per minute (1.5.1c) | 1 |
| Front Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Rear Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Headlamp main beam affected by the operation of another lamp (1.2.2c) | 1 |
| Rear suspension bearing has excessive free play (2.4.A2a(i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Position lamp not working LED flickers then goes out (4.2.1 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake drum significantly and obviously worn Rear Brake Drum Warped (1.1.14 (a) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling Front Wheel Not Aligned, Handle bars twisted (2.4 (a)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp aim not tested Unable to secure headlamp in order to test beam. (4.1.2 (b)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain sprocket carrier worn to excess Rubbers |6.2.1e| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |