| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Headlamp aim out of alignment | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 3 |
| Registration plate issues | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Indicator switch defective |1.5.4| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Rear Rear position lamp damaged and function impaired LENS |1.1.1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Registration plate lamp issues | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Front Outer Roller brake test indicates a binding brake Front brake caliper binding |3.3.A1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front suspension assembly component excessively corroded. fork leg pitted |2.3.1| | 1 |
| Rear wheel spindle securing nut locking device insecure missing |2.4.A.2b| | 1 |
| Riders seat insecure lock broken |6.2.1a| | 1 |
| Front Brake lever attachment screws missing locknut under pivot missing |3.1.2b| | 1 |
| Rear position lamp deteriorated and function impaired very dim |1.1.1b| | 1 |
| Fuel system component leaking bracket touching fuel tap |7.2.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Brake lever has inadequate reserve travel rear brake |3.1.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake cylinder inadequately mounted (1.1.16 (c) (i)) | 1 |
| Offside Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Upper Horn not working |1.7.3a| | 1 |
| Offside Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Exhaust has a major leak of exhaust gases box of the (6.1.2 (a)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Lower Engine mounting/bracket damaged or deteriorated resulting in excessive movement bush excessive movement (6.1.8 (a) (i)) | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |