| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 8 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Registration plate issues | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| 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 Position lamp not working (4.2.1 (a)) | 2 |
| Registration plate lamp issues | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Fuel cap ineffective will not secure (6.1.3 (b) (i)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Drive belt so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Front Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Stop lamp not working front lever (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive belt excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket excessively loose Cush Drive Rubbers (6.1.7 (c) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock Screen and handguard come into contact with brake lever (2.1.4 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected STICKING OPEN ON L/H LOCK - CABLE INCORRECTLY ADJUSTED (6.2.7 (a) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose 1 x Bolt and nut missing (6.1.7 (c) (i)) | 1 |
| Offside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Shock absorber has negligible damping effect suspension siezed (5.3.2 (b)) | 1 |
| Nearside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Steering headbearing excessively stiff or notchy Excessive Notch (2.2.2 (f) (i)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Steering damper ineffective (2.1.4 (d) (i)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering linkage locking device ineffective hitting screen (2.1.3 (d)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Lower Motorcycle structure joining/attachment plate or fastening insecure Rear sub-frame attachment bolt missing (6.1.1 (b) (i)) | 1 |
| Nearside Motorcycle structure joining/attachment plate or fastening insecure Side stand bracket/plate falling off (6.1.1 (b) (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 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |