| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Handlebar deformed |2.1.1b| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear Drive chain excessively tight |6.2.1d| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| An item not tested |Manual| | 2 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Registration plate issues | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear suspension component cracked lower shock mount |2.4.A.1a| | 1 |
| Front Upper Exhaust is leaking and excessively noisey at head |7.1.1b| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Registration plate lamp issues | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Upper Direction indicator not working Rear N/S indicator N/W (4.4.1 (a) (ii)) | 1 |
| Footrest insecure NS passenger foot peg broken (6.2.12 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |