| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 36 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 30 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Headlamp aim out of alignment | 15 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Registration plate issues | 10 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Horn not working (7.7 (a)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake disc insecure (1.1.14 (a) (ii)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Brake performance not tested (1.2.1 (g)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Front Stop lamp not working Stop light not coming on when front brake applied (4.3.1 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Front Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Forks excessively corroded (2.2.2 (d) (i)) | 1 |
| Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam Not working. (4.1.3 (b)) | 1 |
| Brake indicates excessive fluctuation of brake effort Rear brake disc bent (1.2.1 (e)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| 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 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced Frame where centre stand mounts is significantly corroded/possible previous repair (6.1.1 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake grabbing severely rear brake grabbing (1.2.1 (c)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Rear Exhaust silencer likely to become detached Silencer cracked at joint (8.1.1 (b) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected slack on the grip and handlebar (6.2.7 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Headlamp not working on dipped beam nearside and offside rear indicator lenses excessively damaged, orange bulbs fitted (4.1.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Throttle operating incorrectly Throttle grip loose (6.2.7 (a) (i)) | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Steering headbearing excessively stiff or notchy Excessively stiff (2.2.2 (f) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort DISCS BENT (1.2.1 (e)) | 1 |
| Rear Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Rear Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement Worn bushes resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect incorrect bulb fitted (4.1.2 (c)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |