| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 69 |
| Front Brake excessively binding (1.2.1 (f)) | 14 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Registration plate issues | 5 |
| Front Position lamp not working (4.2.1 (a)) | 5 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Lower Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen Aim obviously incorrect (4.1.2 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Suspension rod pin or bush excessively worn Sidecar (5.3.4 (a) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| 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 |
| Rear Wheel spoke excessively loose 2 (5.2.2 (d)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen Bob put his bulb in wrong position , dont be like Bob (4.1.2 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Front Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt gap around cover as it has split from top part (2.1.3 (g) (ii)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Brake fluid contaminated Front brake fluid contaminated and crystalised in reservoir (1.8 (a)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| Central Front Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Front Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Brake fluid reservoir fluid level significantly below minimum level rear brake (1.1.10 (d) (ii)) | 1 |
| Nearside Wheel bearing so rough it is likely to overheat or break up sidecar wheel (5.1.3 (b) (ii)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect no beam pattern from led fitted (4.1.2 (c)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect dip and main beams - HIDs look to have been fitted whilst illuminated , hence incorrect fitment (4.1.2 (c)) | 1 |
| Dipswitch does not operate immediately when selected on main beam HID lamp takes time to heat up (4.1.3 (b)) | 1 |
| Brake hose connection leaking at front right hand caliper (1.1.12 (c)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake excessively binding both (1.2.1 (f)) | 1 |
| Offside Front Headlamp aim so that beam "kick up" is not visible on the screen Pattern not clear. Bulb incorrectly seated.Refitted correctly (4.1.2 (a)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake hose damaged and likely to fail Hose offside of fuel tank below steering head. (1.1.12 (a)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Brake hose connection leaking (1.1.12 (c)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake cylinder insecure (1.1.16 (c) (i)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play EXCESSIVE PLAY IN SHAFT DRIVE HUB (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak front rh fork leaking excessively (5.3.2 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn Shaft housing pivot (5.3.4 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect bulb was fitted incorrect (4.1.2 (c)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected cable too tight revs increase at full lock (6.2.7 (a) (ii)) | 1 |
| Offside Front Headlamp aim projected beam image obviously incorrect Low beam bulb fitted incorrectly (upside-down) (4.1.2 (c)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Wheel bearing rough when rotated on sidecar (5.1.3 (b) (i)) | 1 |
| Front Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Nearside Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |