| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 1 |
| Nearside Rear Wheel has loose rivet/s or bolts (5.2.2 (e) (i)) | 1 |
| Nearside Rear Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Upper Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Nearside Rear Drive chain sprocket so loose it is likely to fail sprocket bolt hanging out preventing bike moving forwards/backwards (6.1.7 (c) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp showing red light to the front (4.2.3 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Clutch lever positioned so it cannot be readily operated interfering with switchgear |6.2.7 |b|| | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Headlamp lens missing |4.1.1 |b| |ii|| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies from both brakes |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp not working on foot pedel |4.3.1 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake cylinder has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Brake cylinder insecurely mounted and braking performance affected The feed pipe kinked front to reservoir (1.1.16 (c) (ii)) | 1 |
| Front Forks in such a condition that steering control is adversely affected yoke to fork (2.2.2 (d) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Nearside Motorcycle structure joining/attachment plate or fastening insecure side stand insecure (6.1.1 (b) (i)) | 1 |
| Nearside Motorcycle structure joining/attachment plate or fastening insecure main stand (6.1.1 (b) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn both swing arm bushes (5.3.4 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced Swing-Arm (6.1.1 (c) (i)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |