| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Brake cable has restricted free movement foot brake cable (1.1.15 (e)) | 1 |
| Rear Wheel spoke excessively bent as marked (5.2.2 (d)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Motorcycle structure is fractured and structural rigidity is significantly reduced near rear foot rest has cut mark in frame (6.1.1 (a) (i)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 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 |
| Rear Drive chain sprocket carrier worn to excess cush drive rubbers |6.2.1e| | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Brake back plate insecure (1.1.14 (d)) | 1 |
| Central Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front not working (4.3.2 (a) (iii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake control switch (4.3.2 (a) (iii)) | 1 |