| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 34 |
| Registration plate lamp issues | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Lower Suspension component has excessive wear or free play (5.3.3 (d)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 2 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Drive chain sprocket worn to excess BOTH FRONT & REAR |6.2.1e| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies foot brake |1.3.1a| | 1 |
| Throttle operating incorrectly Sticking |6.2.1f| | 1 |
| Offside Front Brake pipe union leaking fluid Calliper bleed screw |3.2.B4| | 1 |
| Drive chain excessively loose adjust |6.2.1d| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock Hand guard fouling screen (2.1.4 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Offside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Front Upper Steering operation restricted in free movement from lock to lock ABS cable fouling brake line. very tight on lock. (2.1.4 (c)) | 1 |
| Registration plate issues | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding dangerous (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Wheel bearing has excessive play Sprocket carrier bearing worn. (5.1.3 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Headlamp aim not tested Unable to carry out head light aim test as dip beam is not working. (4.1.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Brake pedal so insecure that the brake cannot be readily applied pedal extender incorrectly fitted and loose (1.1.2 (e) (ii)) | 1 |
| Rear Brake cylinder leaking cap missing (1.1.16 (b) (i)) | 1 |
| Central Rear Lower Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |