| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 94 |
| Headlamp aim out of alignment | 59 |
| Steering headbearing has excessive free play |2.2.2| | 25 |
| Registration plate lamp issues | 18 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 17 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 13 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 12 |
| Horn not working |1.7.3a| | 11 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Stop lamp remains on when the brakes are released | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Front suspension has inadequate damping effect. |2.3.6c| | 10 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 8 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Indicator switch defective |1.5.4| | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 7 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Stop lamp remains on when the brake is released |1.3.1e| | 7 |
| Registration plate issues | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 5 |
| Fuel pipe leaking |7.2.1a| | 5 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 4 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Headlamp aim not tested |1.6| | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Offside Steering lock stop ineffective |2.1.3| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 3 |
| Fuel hose leaking |7.2.1a| | 3 |
| Nearside Indicator tell tale not functioning |1.5.2| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear Suspension component pin or bush excessively worn forward engine pivot (5.3.4 (a) (i)) | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Fuel system component leaking |7.2.1a| | 2 |
| Rear suspension bush has excessive free play engine bushes |2.4.A2a|i|| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Steering linkage locking device ineffective |2.1.3 |d|| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Front Suspension component mounting has an unsafe modification speedometer drive not located in fork lug (5.3.3 (c) (i)) | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 2 |
| Stop lamp emits other than a steady red light |1.3.1b| | 2 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Stop lamp not working front switch |4.3.1 |a| |ii|| | 2 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Brake hose damaged | 2 |
| Nearside Front Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Centre Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 2 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |