| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 61 |
| Headlamp aim out of alignment | 32 |
| Stop lamp remains on when the brakes are released | 29 |
| Stop lamp not working (4.3.1 (a) (ii)) | 16 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 9 |
| Registration plate issues | 8 |
| Horn not working (7.7 (a)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Position lamp not working BOTH (4.2.1 (a)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 2 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Wheel bearing has excessive play very dangerous (5.1.3 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake control (4.3.2 (a) (iii)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Front Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Stop lamp lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp missing repair immediately (4.3.1 (a) (ii)) | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied rear brake lever |1.1.2 |d|| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake lever has restricted free movement brack ligth stay on all the time (1.1.15 (e)) | 1 |
| Shock absorber has an excessively worn bush both shock (5.3.2 (c)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Forks fractured (2.2.2 (d) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Direction indicator light intensity significantly reduced both front (4.4.3 (a)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Suspension arm attachment bracket/mounting fractured (5.3.3 (b) (ii)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Suspension component mounting modified so the suspension is inoperative Suspension locked solid. Not modified, but faulty. (5.3.3 (c) (ii)) | 1 |
| Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Stop lamp not working rear lever (4.3.1 (a) (ii)) | 1 |
| Front Wheel has loose rivet/s or bolts (5.2.2 (e) (i)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Shock absorber has a serious fluid leak BOTH (5.3.2 (b)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Front Brake lever has insufficient reserve travel spongy brake performance (1.1.2 (a)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Stop lamp not working BRAKE LIGHT SWITCH REPLACED (4.3.1 (a) (ii)) | 1 |
| Brake drum significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected THROTTLE STICKING (6.2.7 (a) (ii)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp not working brake switch replaced (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment lever has excessive travel and fouls bars when applied (1.1.15 (f)) | 1 |
| Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Upper Suspension component pin or bush excessively worn engine bushes (5.3.4 (a) (i)) | 1 |
| Lower Suspension component pin or bush excessively worn frame bushes (5.3.4 (a) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Nearside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |