| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 96 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 11 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 10 |
| Registration plate lamp issues | 10 |
| Horn not working (7.7 (a) (ii)) | 10 |
| Front Brake excessively binding (1.2.1 (f)) | 10 |
| Horn not working (7.7 (a)) | 10 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 9 |
| Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 7 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Registration plate issues | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 2 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Upper Fork yoke insecure top nut insecure (2.2.2 (d) (i)) | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Brake component modification unsafe pin retaining clip missing (1.1.21 (d) (i)) | 1 |
| Rear Wheel more than one fixing loose wheel/chain adjuster bolts loose (5.2.1 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Fuel cap ineffective unable to open (6.1.3 (b) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Brake excessively binding 25kgf drag (1.2.1 (f)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| All direction indicators not working SWITCHING OFF AFTER 4/5 FLASHES. (4.4.1 (a) (ii)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Upper Steering operation impeded by a fairing n/s inner fairing loose - catching n/s fork on left lock - secured as needed (2.1.4 (e)) | 1 |
| Offside Front Upper Stop lamp does not illuminate by the operation of both brake controls front brake light stuck off/ have cleaned and lubricated switch to repair (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Fork yoke insecure top yoke nut loose (2.2.2 (d) (i)) | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Nearside Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Front Footrest missing part missing broken sharp edges (6.2.12 (a)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar left hand grip (2.2.1 (d) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy Notch in centre (2.2.2 (f) (i)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Lower Shock absorber insecurely attached Linkage bolt loose (5.3.2 (a) (i)) | 1 |
| Central Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Rear Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork oil seal (5.3.2 (b)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort brake tester shows excessive fluctuation 35kg+ (1.2.1 (e)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Central Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Stop lamp not working Rear application (4.3.1 (a) (ii)) | 1 |
| Rear Brake pedal pivot has excessive free play bolt loose (1.1.1 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |