| Most common failures | No# failures |
|---|
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Headlamp aim out of alignment | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking (6.2.7 (a) (ii)) | 1 |
| Centre Front Riders seat insecure |6.2.1a| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Rear Direction indicator damaged and function impaired Orange lens broken and emitting white light intermittently. |1.5.3a| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Brake component insecure brake pipe loose (1.1.21 (c)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake lever cannot be applied smoothly System need air bleeding out |3.1.3d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Central Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Registration plate issues | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Decelerometer brake test no brake control achieves an efficiency of 30% |3.3.E1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake excessively binding Front brake has excessive binding (1.2.1 (f)) | 1 |
| Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 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 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |