| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 56 |
| Registration plate issues | 46 |
| Rear reflector missing (4.8.2 (a) (ii)) | 41 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Registration plate lamp issues | 15 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Rear reflector missing |4.8.2 |a| |ii|| | 7 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Rear reflector missing small number plate fitted/tail tidy no reflector to centre of machine |4.8.2 |a| |ii|| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |b|| | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Throttle operating incorrectly loose on bars (6.2.7 (a) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock ignition falling apart on right turn (2.1.4 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Vehicle identification number not legible |0.2 |b|| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Brake pipe excessively damaged |1.1.11 |c|| | 1 |
| Front Position lamp missing DRL has been removed from headlamp but switch and tell tale is still present (4.2.1 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Lower Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Rear reflector missing Reflector Fitted (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Direction indicator obviously incorrectly positioned Both front indicators cannot be seen from front of bike (4.4.3 (a)) | 1 |
| Horn not working lubricated and adjusted (7.7 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - fitted new one (4.8.2 (a) (ii)) | 1 |
| Front Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Horn not working New horn fitted (7.7 (a)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Central Front Headlamp not working on dipped beam Replaced Bulb (4.1.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy centre position (2.2.2 (f) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |