| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 38 |
| Stop lamp remains on when the brakes are released | 10 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 9 |
| Registration plate issues | 9 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a)) | 2 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 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 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Front Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Front Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Front Fuel hose leaking (6.1.3 (b) (i)) | 1 |
| Suspension arm pin or bush excessively worn rear paralever joint (5.3.4 (a) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake fluid not visible too much fliud (1.1.10 (d) (iii)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Brake servo inoperative ABS FAULT (1.1.10 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Brake pipe leaking Brake pipe from rear master cylinder leeking (1.1.11 (b)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Stop lamp likely to become detached (4.3.1 (c) (ii)) | 1 |
| Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel fixing missing (multiple fixings) has a rear wheel mounting bolt missing (5.2.1 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake lever has insufficient reserve travel Front and rear (1.1.2 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Both brake lights do not work (4.3.2 (a) (iii)) | 1 |
| Front Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 4 Squares (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort 4 Squares (1.2.1 (e)) | 1 |
| Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Upper Shock absorber insecurely attached bolt loose (5.3.2 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both front fork seals are leaking (5.3.2 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Lower Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Rear Stop lamp lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort 60kg of force variation (1.2.1 (e)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Suspension component ball joint dust cover no longer prevents the ingress of dirt front control arm forward ball joint. (5.3.4 (b) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Throttle operating incorrectly Rpm increases when on left hand lock. (6.2.7 (a) (i)) | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen bulb in wrong (4.1.2 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Wheel bearing has excessive play replaced bearings broke up (5.1.3 (a) (i)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake disc significantly and obviously worn has excessive run -out (1.1.14 (a) (i)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Brake disc insecure 1 mount bolt loose (1.1.14 (a) (ii)) | 1 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |