| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Horn not working |1.7.3a| | 4 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Registration plate lamp issues | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Stop lamp not working not working on control one |4.3.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies by front brake lever |1.3.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Front Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake linkage has restricted free movement |1.1.15 |e|| | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Headlamp aim not tested dipped beam not working |4.1.2 |b|| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Position lamp likely to become detached |4.2.1 |c| |ii|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Indicator switch inoperative Indicator switch only works intermittently (4.4.2 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements Too quiet (7.7 (c)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Throttle operating incorrectly not returning to closed position |6.2.7 |a| |i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Position lamp missing |4.2.1 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen No pattern |4.1.2 |a|| | 1 |
| Stop lamp not working Front and rear operation |4.3.1 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking mud fender |6.1.1c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Front Shock absorber has a serious fluid leak Fork seals leaking (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Brake lever cannot be applied smoothly (3.1.3d) | 1 |
| Position lamp switch insecure (1.1.4b) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Rear Rear reflector likely to become detached on rear mud guard |4.8.1 |b| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Throttle operating incorrectly Throttle cable insecure at switch housing, throttle will not return correctly |6.2.1f| | 1 |
| Headlamp at least one does not illuminate on dipped beam Dipped beam headlamp not working |1.2.2a|i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Rear Direction indicator incorrect colour O/S rear indicator showing white light |1.5.1b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort disc bent |1.2.1 |e|| | 1 |
| Headlamp light intensity severely reduced no beam pattern |4.1.4 |a|| | 1 |
| Stop lamp not working brake light n/w with left control |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp showing white light to the rear rear lens corner broken off, replace when possible (4.3.3 (a) (ii)) | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| All direction indicators not working not flashing (4.4.1 (a) (ii)) | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Forks excessively corroded both |2.2.2 |d| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp when low beam turned on rear go`s out |1.1.3b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn missing |1.7.1| | 1 |
| Central Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Central Front Steering linkage has excessive free play |2.2.2| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Rear Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp not working brake |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working brake |4.3.1 |a| |ii|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |