| Most common failures | No# failures |
|---|
| Registration plate issues | 26 |
| Headlamp aim out of alignment | 15 |
| Rear reflector missing (4.8.2 (a) (ii)) | 14 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Registration plate lamp issues | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 7 |
| Stop lamp remains on when the brakes are released | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Horn not working |1.7.3a| | 4 |
| 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|| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| 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)) | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 2 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Shock absorber has a serious fluid leak forks (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Shock absorber has a serious fluid leak nearside fork seal |5.3.2 |b|| | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp aim not tested dipped beam not working (4.1.2 (b)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear reflector reflecting white to the rear (4.8.2 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 7 bar of run out |1.2.1 |e|| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect incorrect bulb type for reflector (4.1.2 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Brake indicates excessive fluctuation of brake effort 5.5 bar of run out (1.2.1 (e)) | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Shock absorber missing (5.3.2 (a) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush link arm (5.3.2 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Stop lamp not working not working from both brakes, or brake light might be stuck on (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 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 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake caliper operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Direction indicator obviously incorrectly positioned need to be 240mm apart |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned need to be 240mm apart |4.4.3 |a|| | 1 |
| Rear Direction indicator obviously incorrectly positioned Rear indicators obscured by no plate (4.4.3 (a)) | 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 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |