| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Registration plate issues | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Throttle operating incorrectly STICKING ON RIGHT LOCK |6.2.1f| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Horn not working |1.7.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Direction indicator not working front and rear |1.5.1c| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Direction indicator missing both rear (4.4.1 (a) (ii)) | 1 |
| Offside Position lamp switch insecure |1.1.4b| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 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 Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |