| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 34 |
| Registration plate issues | 16 |
| Rear Position lamp not working (4.2.1 (a)) | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Rear Position lamp not working |4.2.1 |a|| | 6 |
| 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)) | 6 |
| Registration plate lamp issues | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| 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|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Position lamp not working New bulb fitted. |4.2.1 |a|| | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Upper Fork yoke insecure 1 yoke pinch bolt missing |2.2.2 |d| |i|| | 1 |
| Wheel fixing loose (multiple fixings) Rear wheel spindle nut loose (5.2.1 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Brake component insecure locking nut missing front brake lever (1.1.21 (c)) | 1 |
| Lower Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Rear Shock absorber has an excessively worn bush Sidecar shock adsorder (5.3.2 (c)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Central Rear Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Central Rear Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Position lamp adversely affected by the operation of another lamp front and rear brake control (4.2.3 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Steering operation restricted in free movement from lock to lock left hand handle bar restricting movement (2.1.4 (c)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Throttle operating incorrectly throttle not opening ,restricted (6.2.7 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticks on right hand full lock (6.2.7 (a) (ii)) | 1 |
| Handlebar fractured and steering adversely affected mount bolt sheered off (2.2.1 (c) (ii)) | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Stop lamp not working Rear brake stop light (4.3.1 (a) (ii)) | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling rear wheel on chain adjusters (2.4 (a)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain excessively tight, so that it is likely to fail |6.1.7 |k| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain excessively loose Adjusted. |6.1.7 |c| |i|| | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Brake disc contaminated oil (1.1.14 (b)) | 1 |
| Rear Brake disc contaminated oil (1.1.14 (b)) | 1 |
| Rear Wheel spoke excessively loose all spokes in wheel (5.2.2 (d)) | 1 |
| Wheel alignment incorrect which adversely affects the handling chain adjustment (2.4 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Wheel spoke cracked (5.2.2 (d)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Rear Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Footrest insecure |6.2.12 |a|| | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |