| Most common failures | No# failures |
|---|
| Registration plate issues | 4 |
| Horn not working |1.7.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Drive chain fouling another component |6.2.1d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Horn missing |1.7.1| | 1 |
| Front Wheel bearing has excessive play both front bearings |5.1.3 |a| |i|| | 1 |
| Front Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing has excessive play front wheel bearings excess play (5.1.3 (a) (i)) | 1 |