| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Registration plate issues | 4 |
| Registration plate lamp issues | 4 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| All position lamps not working |4.2.1 |a|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 2 |
| Headlamp insecure |4.1.1 |c|| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Fuel system component leaking |7.2.1a| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Front Headlamp insecure |4.1.1 |c|| | 1 |
| All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Rear Rear suspension bush has excessive free play Rear shock absorber |2.4.A2a|i|| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Chain guard fouling another component chain |6.2.1c| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride drive chain link incorrectly fitted |6.2.1h| | 1 |
| Direction indicator not working all indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Suspension component pin or bush excessively worn bearings |5.3.4 |a| |i|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension bearing has excessive free play top and bottom shock bearings |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play mono-shock linkage bearings |2.4.A2a|i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp does not emit a steady light frt brake lever |1.3.1b| | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Position lamp switch insecure (4.2.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride clutch lever safety nut missing |6.2.1h| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride left rear foot peg split pin missing |6.2.1h| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Lower Motorcycle structure joining/attachment plate or fastening insecure locking nut missing (6.1.1 (b) (i)) | 1 |
| Offside Lower Motorcycle structure joining/attachment plate or fastening insecure locking nut mssing (6.1.1 (b) (i)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle assembly loose (6.2.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake not operating brake light (4.3.2 (a) (iii)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Upper Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Lower Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Stop lamp not working foot control (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Lower Suspension component attachment bracket/mounting likely to fail mono shock bracket nut only on by a few threads (5.3.3 (b) (ii)) | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Front wheel insecure |4.2.3b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake component insecure (1.1.21 (c)) | 1 |
| Brake lever is positioned so that the brake cannot be readily applied fouling on throttle twist housing and rh switch gear (1.1.2 (d)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Throttle operating incorrectly throttle sticking on (6.2.7 (a) (i)) | 1 |
| Wheel bearing has excessive play front wheel (5.1.3 (a) (i)) | 1 |
| Shock absorber has an excessively worn bush Both upper and lower |5.3.2 |c|| | 1 |
| Rear Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |