| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 63 |
| Registration plate issues | 22 |
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Nearside Front Direction indicators not working |1.5.1c| | 3 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 2 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Steering operation linkage fouling when handlebars turned from lock to lock Steering leg catching on horn |2.1.4 |a|| | 1 |
| Nearside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride nearside riders footrest pin circlip missing |6.2.1h| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake component is fractured |3.1.5| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front position lamp incorrect colour blue |1.1.2a| | 1 |
| Offside Footrest insecure Riders |6.2.12 |a|| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick one pad has no visible friction material |3.2.A1f|i|| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Suspension arm ball joint excessively worn FRONT SUSPENSION ARM HAS SIGNIFICANT PLAY |5.3.4 |a| |i|| | 1 |
| Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Registration plate lamp issues | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Offside Front Upper Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Sidecar rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear 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 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Wheel fractured significantly reducing the original strength |4.2.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Rear Roller brake test indicates a binding brake |20kg| |3.3.A1a| | 1 |
| An item not tested |Manual| | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Front Brake caliper leaking and braking performance affected |1.1.16 |b| |ii|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Rear Wheel fractured |5.2.2 |a|| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel more than one fixing missing (5.2.1 (a) (ii)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Brake master cylinder insecure |1.1.10 |c|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking front abs wire rubbing on brake disc affecting abs operation |6.1.1c| | 1 |