| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 95 |
| Registration plate lamp issues | 34 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Registration plate issues | 20 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 20 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 19 |
| Horn not working (7.7 (a)) | 18 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 17 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 14 |
| Horn not working (7.7 (a) (ii)) | 14 |
| Stop lamp remains on when the brakes are released | 14 |
| Horn not working |7.7 |a| |ii|| | 12 |
| Stop lamp not working (4.3.1 (a) (ii)) | 12 |
| Front Brake excessively binding (1.2.1 (f)) | 11 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 10 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 7 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 7 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 7 |
| Front Brake excessively binding |1.2.1 |f|| | 6 |
| Headlamp aim not tested (4.1.2 (b)) | 6 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 6 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 6 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 5 |
| Front Position lamp not working (4.2.1 (a)) | 5 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Fuel cap sealing washer missing |7.2.2c| | 3 |
| Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Headlamp aim not tested |4.1.2 |b|| | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Rear Brake lagging in operation (1.2.1 (d)) | 3 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Headlamp insecure |1.2.3b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Horn not working |1.7.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Headlamp insecure |4.1.1 |c|| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Horn not working (7.7 (a) (ii)) | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |