| Most common failures | No# failures |
|---|
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim out of alignment | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Direction indicator not working |1.5.1c| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| 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 |
| Nearside Front Suspension rod has an unsafe modification Badly pitted and rusty |5.3.3 |c| |i|| | 1 |
| Offside Front Suspension rod has an unsafe modification Badly pitted and rusty |5.3.3 |c| |i|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 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 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Position lamp adversely affected by the operation of another lamp unable to test due to stop lamp staying on when brake released |4.2.3 |b|| | 1 |
| Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Registration plate issues | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Rear Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Centre An item not tested |Manual| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 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 mounting flange/sealing method defective |7.2.2c| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Headlamp aim not tested |1.6| | 1 |