| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Registration plate issues | 12 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| 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| | 2 |
| Registration plate lamp issues | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Horn control defective |1.7.2a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake caliper leaking |1.1.16 |b| |i|| | 1 |
| Rear Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear Brake disc insecure |1.1.14 |a| |ii|| | 1 |
| Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Front Headlamp switch faulty |1.2.4| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front shock absorber seal failed and leaking oil Both legs leaking oil |2.3.3| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Indicator switch defective |1.5.4| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 1 |
| Offside Front Upper Shock absorber has an excessively worn linkage |2.7.4| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Horn not working |1.6.2a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Nearside Front Brake hose leaking |1.1.12 |c|| | 1 |
| Nearside Front Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |