| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 14 |
| Headlamp aim out of alignment | 11 |
| Drive chain excessively loose |6.2.1d| | 10 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Horn not working |1.7.3a| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Indicator switch insecure |1.5.4| | 2 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Drive chain fouling another component |6.2.1d| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake master cylinder severely damaged Glass Fractured |3.2.B1b| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front position lamp missing NOT WORKING
|1.1.1a| | 1 |
| Headlamp switch faulty DIP / MAIN BEAM SWITCH FAULTY |1.2.4| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake clevis joint insecure |1.1.15 |c|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies when lever pressed |1.3.1a| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Brake performance not tested |1.2.1 |g|| | 1 |
| Rear Brake performance not tested |1.2.1 |g|| | 1 |
| Rear Brake back plate insecure |1.1.14 |d|| | 1 |
| Rear Lower Rear suspension component excessively corroded. Swing arm corroded |2.4.A.1a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Footrest missing pillion |6.2.1a| | 1 |
| Exhaust mounting missing rear mount |7.1.1c| | 1 |
| Offside Front Lower Motorcycle structure has a fracture which is likely to adversely affect braking or steering around headstock |6.1.1 |a| |ii|| | 1 |
| Nearside Front Lower Motorcycle structure has a fracture which is likely to adversely affect braking or steering around head stock |6.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested headlamp insercure |4.1.2 |b|| | 1 |
| Throttle operating incorrectly does not return as it should |6.2.1f| | 1 |
| Direction indicators flashing more than 120 times per minute Flashing 3 times per second |1.5.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Centre Rear Riders seat insecure TWO BOLTS MISSING UNDER SEAT |6.2.1a| | 1 |
| Nearside Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Centre Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Brake component insecure Rear brake support rod fixing has no locking device |1.1.21 |c|| | 1 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain split link retainer clip in wrong direction |6.2.1h| | 1 |
| Steering headbearing has excessive free play top nut loose |2.2.2| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Footrest missing Both pillion footrests missing |6.2.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride split link wrong way round |6.2.1h| | 1 |
| Brake pedal mounting cracked . |3.1.2c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system silencer mount |7.1.1.c| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment hub arm in wrong position so rod adjuster nut not screwed right on |3.2.A1i| | 1 |
| Rear Floor brake test indicates a binding brake due to hub arm fitted incorectly |3.3.C2c| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel has a loose wheel nut|s| sprocket securing bolts |4.2.3a| | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Brake component modification adversely affecting braking performance brake lever bracket broke on application of the rear brake |1.1.21 |d| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Stop lamp affected by the operation of another lamp Front and Rear Brake affects stop lamp |1.3.2| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp switch faulty Switch showing main beam pattern on dip |1.2.4| | 1 |
| Riders seat insecure One side detatched |6.2.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |