| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 264 |
| Registration plate issues | 32 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 24 |
| Horn not working (7.7 (a) (ii)) | 14 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 8 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 7 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 7 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 6 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 5 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Front Brake fluid contaminated (1.8 (a)) | 4 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 4 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 3 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Horn control not functioning. |1.7.2b| | 2 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Wheel excessively distorted |5.2.2 |c| |i|| | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 2 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Horn not working (7.7 (a)) | 2 |