| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 49 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 31 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 22 |
| Registration plate issues | 11 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 5 |
| Registration plate lamp issues | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Front shock absorber seal failed and leaking oil both |2.3.3| | 2 |
| Brake excessively binding rear (1.2.1 (f)) | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Brake component is fractured |3.1.5| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Shock absorber has a serious fluid leak both o/s n/s front fork legs |5.3.2 |b|| | 1 |
| Brake disc contaminated both o/s n/s fronts with oil front fork legs |1.1.14 |b|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Central Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake component is fractured |3.1.5| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake caliper|s| insecure Cracked on mounting |3.2.A1j| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Offside Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Centre Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake performance not tested rear pads below limit. (1.2.1 (g)) | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded Calipers binding to excess |3.2.A1h| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded Caliper binding to excess |3.2.A1h| | 1 |
| Rear Brake caliper has no reserve travel and braking performance affected rear caliper pins seized (1.1.16 (e) (ii)) | 1 |
| Offside Rear Brake locking device insecure |3.2.A1e| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Shock absorber has a serious fluid leak both |5.3.2 |b|| | 1 |
| Handlebar mounting clamp bolt loose n/s +o/s |2.1.1a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation Front brake lever sticking on pivot bolt (4.3.2 (a) (ii)) | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Floor brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Direction indicators affected by the operation of another lamp all |1.5.1c| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Suspension arm attachment bracket/mounting likely to fail linkage siezed likely to fail (5.3.3 (b) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Headlamp not working on dipped beam When engine is running. |4.1.1 |a| |ii|| | 1 |
| Front Headlamp not working on main beam When engine is running. |4.1.1 |a| |ii|| | 1 |
| Front Direction indicator not working Stay on when engine is running. |4.4.1 |a| |ii|| | 1 |
| Front Position lamp not working When engine is running. |4.2.1 |a|| | 1 |
| Nearside Handlebar grip insecure to handlebar LH heated grip loose (2.2.1 (d) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Brake caliper insecure reaction bracket bolt loose (1.1.16 (c) (i)) | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Suspension arm insecurely attached swing arm excessive side play (5.3.3 (a) (i)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected rear brake lever not releasing (1.1.2 (b) (ii)) | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Nearside Front Direction indicator not working (1.5.1c) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Shock absorber has a serious fluid leak forks leeking |5.3.2 |b|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |