| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Headlamp aim out of alignment | 8 |
| Horn not working |1.7.3a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Direction indicators not working |1.5.1c| | 3 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Registration plate issues | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Position lamp not working sidelight (4.2.1 (a)) | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake cable badly frayed |3.2.A1b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride centre stand |6.2.1h| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| An item not tested |Manual| | 1 |