| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Registration plate issues | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front suspension assembly component loose |2.3.1| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside 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 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake cylinder severely damaged |3.2.B1b| | 1 |
| Front Brake component leaking fluid |3.2.B4| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Upper Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Centre Rear Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Front Brake hose leaking fluid or union |3.2.B4| | 1 |
| Stop lamp does not illuminate immediately a brake applies front and rear |1.3.1a| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Brake caliper operating mechanism has excessive travel brakes sticking on when applied front |1.1.16 |e| |i|| | 1 |
| Nearside Brake cylinder damaged and braking performance affected |1.1.16 |a| |ii|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Lower Front suspension assembly has excessive free play in the pivot bearings. |2.3.2| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Offside Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s tell tale on main constant |1.2.2b|ii|| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Front Brake disc significantly and obviously worn disc floating shims have excessive play. |1.1.14 |a| |i|| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Lower Brake hose leaking fluid |3.2.B4| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Nearside Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Offside Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake performance not tested |3.3| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake master cylinder severely corroded |3.2.B1b| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Brake master cylinder has a seized master cylinder pivot. |3.2.B5| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |