| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Registration plate issues | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| 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| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |