| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 3 |
| 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 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear Footrest missing |6.2.12 |a|| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Registration plate lamp issues | 2 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Rear Brake caliper inadequately mounted |1.1.16 |c| |i|| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Central Front Lower Front wheel spindle securing nut|s| loose one pinch bolt brocken other secuere |2.3.3a| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake clevis joint excessively worn brake lever (1.1.15 (b)) | 1 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake clevis joint excessively worn pedal link |1.1.15 |b|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Footrest missing |6.2.1a| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear suspension bush has excessive free play Lower suspension link |2.4.A2a|i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen Incorrect beam pattern |1.6.B.1| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Clutch lever positioned so it cannot be readily operated. control cable part seized rectified |6.2.1g| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Lower Rear mono-shock insecure |2.4.B.4| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Registration plate issues | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies with front brake lever |1.3.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired Dim and no image |1.2.3a| | 1 |
| Stop lamp not working front brake |4.3.1 |a| |ii|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Rear Stop lamp not working front (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Nearside Front Lower Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Position lamp adversely affected by the operation of another lamp unable to test (4.2.3 (b)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Footrest missing both rear (6.2.12 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |