| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 4 |
| Registration plate lamp issues | 4 |
| Registration plate issues | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front mudguard insecure |2.3.7| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Offside Front Brake hose connection leaking (1.1.12 (c)) | 2 |
| Offside Rear Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc contaminated offside fork seal leaking onto disc |1.1.14 |b|| | 1 |
| Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Front Lower Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Lower Roller brake test indicates a binding 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 Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |