| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 9 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Registration plate lamp issues | 6 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp aim out of alignment | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Horn not working (7.7 (a)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect has no movement when sitting on bike (5.3.2 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Drive chain excessively loose dangerous ready to fall off (6.1.7 (c) (i)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Nearside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Nearside Front Footrest insecure split pin missing (6.2.12 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail carrier (6.1.7 (c) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected insecure (6.2.7 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Rear Suspension component ball joint excessively worn top and bottom linkages bearings (5.3.4 (a) (i)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Central Rear Upper Stop lamp does not illuminate by the operation of both brake controls FRONT BRAKE SWITCH FAULTY (4.3.2 (a) (iii)) | 1 |
| Offside Rear Lower Brake excessively binding 28kg of bind recorded on brake tester !!! (1.2.1 (f)) | 1 |
| Nearside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Shock absorber has negligible damping effect Seized (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake component inadequately mounted Rear caliper plate mis-aligned (spacers incorrect) (1.1.21 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front Control (4.3.2 (a) (iii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Drive chain excessively tight chain link seized (6.1.7 (k) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork oil seal (5.3.2 (b)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Rear Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Fork yoke insecure Yoke nut loose (2.2.2 (d) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure swing arm pivot bolt loose (6.1.1 (b) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect linkage seized (5.3.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |