| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Registration plate lamp issues | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Registration plate issues | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Steering linkage locking device ineffective locking bolts chain adjusters loose (2.1.3 (d)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen headlamp bulb incorrectly fitted (4.1.2 (a)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Stop lamp likely to become detached (4.3.1 (c) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Shock absorber has a serious fluid leak fork seals (5.3.2 (b)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Stop lamp not working front and rear controls inop (4.3.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak both nsf & osf (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no pattern to beam image (4.1.2 (a)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock when turning steering engine speed increases and sticks open (2.1.4 (a)) | 1 |
| Front Throttle operating incorrectly LUBRICATED DURING TEST (6.2.7 (a) (i)) | 1 |
| Horn not working when lights are switched on (7.7 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy Steering bearing excessively notched (DANGEROUS) (2.2.2 (f) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Lower Steering headbearing excessively stiff or notchy bearing notchy (2.2.2 (f) (i)) | 1 |
| Nearside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Drive chain so worn it is likely to fail link broken (6.1.7 (c) (ii)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork leg seal blown. (5.3.2 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |