| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 113 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Registration plate issues | 8 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Exhaust has part of the system missing baffle |7.1.1a| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Indicator switch inoperative Cancel switch inoperative |4.4.2 |a| |ii|| | 1 |
| Front Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake servo defective or ineffective |1.1.10 |a| |i|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Front Upper Front suspension assembly excessive wear or free play in a front suspension component Yoke ball joint has excessive movement. |2.3.4| | 1 |
| Exhaust silencer insecure |8.1.1 |b| |i|| | 1 |
| Front position lamp does not illuminate immediately when switched on high beam |1.1.3a| | 1 |
| Offside Rear Brake excessively binding Rear brake component seized not releasing wheel after use. |1.2.1 |f|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Lower Suspension rod ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Wheel spoke cracked. |4.2.1b| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Registration plate lamp issues | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on Front position lamps strobe with ignition on and/or vehicle running. |1.1.3a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Lower Suspension component ball joint dust cover no longer prevents the ingress of dirt Centre support bearing. |5.3.4 |b| |ii|| | 1 |
| Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Horn missing |1.7.1| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp light source and lamp not compatible hid bulbs fitted. (4.1.4 (c)) | 1 |
| Rear Valve stem seriously damaged Significantly perished around base of valve stem (5.2.3 (j)) | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Headlamp aim not tested bulb insecure and not able to be fitted correctly (4.1.2 (b)) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Rear Brake lining(s) less than 1.5 mm thick (3.2.A1f(i)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Shock absorber has negligible damping effect Rebound damping inadequate (5.3.2 (b)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Central Front Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working left indicators not working. (4.4.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Wheel more than one fixing loose ** All rear wheel bolts were finger tight ** (5.2.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |