| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Headlamp aim out of alignment | 6 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake reaction bracket excessively worn |1.1.15 |b|| | 1 |
| Nearside Front Brake reaction bracket excessively worn |1.1.15 |b|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Wheel fractured significantly reducing the original strength |4.2.1a| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Wheel bearing rough when rotated front wheel rotation rough/tight >unable to test front wheel bearings in full (5.1.3 (b) (i)) | 1 |
| Rear Upper Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |