| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 34 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 32 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 17 |
| Registration plate issues | 15 |
| Headlamp aim out of alignment | 10 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Headlamp aim not tested (4.1.2 (b)) | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Front Position lamp not working (4.2.1 (a)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Offside 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 |
| Fuel cap missing (6.1.3 (b) (i)) | 2 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 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 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Rear Brake disc significantly and obviously worn brake disc is bent, making brake lever pulse |1.1.14 |a| |i|| | 1 |
| Offside Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Nearside Front Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake lever has restricted free movement |1.1.15 |e|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Offside Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Upper Suspension component pin or bush excessively worn forward engine mount (5.3.4 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort disk distorted (1.2.1 (e)) | 1 |
| Lower Position lamp not working (4.2.1 (a)) | 1 |
| Front Headlamp not working on dipped beam light bulb replaced (4.1.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play Free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Front Lower Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Lower Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake disc significantly and obviously worn rear disc (1.1.14 (a) (i)) | 1 |
| Offside Rear Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel excessively damaged (5.2.2 (c) (i)) | 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 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement top engine mount worn out (6.1.8 (a) (i)) | 1 |
| Rear Stop lamp not working stoplight not working when rear brake applied (4.3.1 (a) (ii)) | 1 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Nearside Rear Upper Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Upper Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Front Position lamp not working both position lights (4.2.1 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn HEAVILY DISTORTED (1.1.14 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn severe buckle (1.1.14 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort severe buckle rear disc (1.2.1 (e)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn Engine to frame bush excessive side play (5.3.4 (a) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Lower Position lamp not working (4.2.1 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement BOTH (BY THE ANTI ROLL BAR LINKS) (6.1.8 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Centre stand (6.1.1 (b) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Central Rear Suspension arm attachment bracket/mounting insecure engine mount (5.3.3 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Suspension component pin or bush excessively worn UPPER FORWARD ENGINE MOUNTS (5.3.4 (a) (i)) | 1 |
| Headlamp aim not tested NOT WORKING (4.1.2 (b)) | 1 |
| Fuel cap ineffective TEMPORY CAP FITTED (6.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Brake excessively binding front brake binding (1.2.1 (f)) | 1 |
| Footrest missing Both (6.2.12 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Position lamp not working Both (4.2.1 (a)) | 1 |