| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Horn not working |1.7.3a| | 3 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Brake locking device missing |3.2.A1e| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Registration plate lamp issues | 1 |
| Throttle operating incorrectly throttle not returning when released (6.2.7 (a) (i)) | 1 |
| Rear Shock absorber has negligible damping effect rear shocks remain compress when load lifted from motorcycle (5.3.2 (b)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Brake caliper leaking BRAKE CALIPER SATURATED IN OIL, POSSIBLY BRAKE FLUID OR FORK OIL (1.1.16 (b) (i)) | 1 |
| Offside Front Brake caliper leaking BRAKE CALIPER SATURATED IN OIL, POSSIBLY BRAKE FLUID OR FORK OIL (1.1.16 (b) (i)) | 1 |
| Front Brake hose excessively stretched (1.1.12 (b) (ii)) | 1 |
| Front Brake component inadequately mounted BRAKE PIPE UNION RETAINED WITH CABLE TIES (1.1.21 (c)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Headlamp not working on dipped beam NO PATTERN AT ALL AND VERY LITTLE LIGHT (4.1.1 (a) (ii)) | 1 |