| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| An item not tested |Manual| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Lower Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Offside Front Front suspension assembly component missing |2.3.1| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Throttle operating incorrectly (6.2.1f) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |