| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Registration plate lamp issues | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Registration plate issues | 2 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 2 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort may be result of amount of play in wheel bearings or may just be disc requiring replacement ( suspect bit of both as disc worn thin ) (1.2.1 (e)) | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick handbrake (1.1.13 (a)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Nearside Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Rear position lamp incorrect colour |1.1.2b| | 1 |
| Offside Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Front Decelerometer brake test indicates a sticking brake |3.3.E1d| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake lining|s| less than 1.5 mm thick pad worn at an angle indicates sticking piston |3.2.A1f|i|| | 1 |
| Front Roller brake test indicates a binding brake see pad |3.3.A1a| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Nearside Front Brake master cylinder defective but brake still operating rear brake lever comes back to bar , pulses under constant rear pressure and has little effect on front brake (1.1.10 (b) (i)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired wheel also locks up when slowly rotated (5.1.3 (a) (ii)) | 1 |
| Front Brake grabbing severely visable high spot on disc - wheel jams in this area (1.2.1 (c)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort bike moves up and down excessively when brake applied (1.2.1 (e)) | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake lever has restricted free movement |1.1.15 |e|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies lever |1.3.1a| | 1 |
| Front Forks fractured (2.2.2 (d) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |