| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Front position lamp does 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 not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake cable insecure | 1 |
| Front Shock absorbers has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Upper Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust silencer likely to become detached All silencers insecure (8.1.1 (b) (ii)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |