| Most common failures | No# failures |
|---|
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp aim out of alignment | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear wheel bearings are excessively tight |2.4.A.2c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Front Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Wheel fixing missing |single fixing| wheel nut split pin |5.2.1 |a| |ii|| | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Lower Suspension component attachment bracket/mounting likely to fail locking device not working. (5.3.3 (b) (ii)) | 1 |
| Offside Rear Lower Suspension component attachment bracket/mounting likely to fail locking device not woking. (5.3.3 (b) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swinging arm pivot. (5.3.4 (a) (i)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Steering linkage locking device missing (2.1.3 (d)) | 1 |
| Registration plate issues | 1 |