| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 44 |
| Registration plate issues | 30 |
| Headlamp aim out of alignment | 20 |
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Horn not working |1.7.3a| | 6 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Registration plate lamp issues | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on dipped beam both front |1.2.2a|i|| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake master cylinder insecure adjuster rod nut |1.1.10 |c|| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear reflector on sidecar incorrectly positioned |1.4.2d| | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Handlebar excessively deformed |2.2.1 |c| |i|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Stop lamp not working Control one. (4.3.1 (a) (ii)) | 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 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector on motorcycle missing Replaced |1.4.1| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Rear Brake master cylinder leaking master cylinder (1.1.10 (b) (ii)) | 1 |
| Suspension component pin or bush excessively worn excessive play in linkage bearing. (5.3.4 (a) (i)) | 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 suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front position lamp incorrect colour showing blue light |1.1.2a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Steering damper ineffective |2.1.2d| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no visible flat line |1.6.B.1| | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Central Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Lower Rear mono-shock pivot excessively worn link |2.4.B.4| | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Headlamp not working on dipped beam both |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 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |