| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Registration plate issues | 5 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Brake lever mounting cracked |3.1.2c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front suspension assembly component loose lower fork bush free play |2.3.1| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Hydraulic brake control feels spongy excessive travel |3.1.4a| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Suspension attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Central Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system loose nut/bolt |7.1.1.c| | 1 |
| Rear wheel spindle securing nut locking device missing s/pin missing |2.4.A.2b| | 1 |
| Rear Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Wheel fixing loose |single fixing| front and rear split pin mising |5.2.1 |a| |ii|| | 1 |
| Valve stem seriously damaged front and rear |5.2.3 |j|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Motorcycle structure has a fracture which is likely to adversely affect braking or steering |6.1.1 |a| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Fuel system component insecure fuel line to carburettor |7.2.1b| | 1 |
| Fuel system component insecure no fuel line clips to fuel filter |7.2.1b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake component is fractured Front brake lever mount |3.1.5| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Nearside Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Offside Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |