| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Registration plate lamp issues | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Stop lamp does not emit a steady light front brake |1.3.1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Registration plate issues | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Offside 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 excessively tight |6.2.1d| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 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 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling o/s adjuster incorrect (2.4 (a)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Stop lamp not working control brake 1 (4.3.1 (a) (ii)) | 1 |
| Rear Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Brake lever excessively worn (1.1.15 (b)) | 1 |
| Front Brake lever pivot excessively worn (1.1.1 (b)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Front Upper Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced Fairing panel (6.1.1 (b) (ii)) | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Suspension component ball joint excessively worn All lower linkage bushes. (5.3.4 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Motorcycle structure inadequately repaired such that it is likely to adversely affect braking or steering Bodywork loose and likely to fall off. (6.1.1 (d) (ii)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |