| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 32 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Registration plate issues | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Registration plate lamp issues | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Front Roller brake test indicates a binding brake (3.3.A1a) | 2 |
| Rear Roller brake test indicates a binding brake (3.3.A1a) | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Horn not working |1.6.2a| | 1 |
| Rear brake binding | 1 |
| Front wheel spindle securing nut locking device insecure |9.2.8b| | 1 |
| Brake pedal has excessive side movement indicating a badly worn bearing or pivot |3.3.A.1d| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Fuel hose leaking |7.2.1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Footrest missing |6.2.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working switch was not working on left hand indicators due to poor connection on switch contacts |4.4.1 |a| |ii|| | 1 |
| Brake hose excessively deteriorated | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake component has an inadequate repair |3.1.5| | 1 |
| Horn missing |1.7.1| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front suspension has an inadequate repair of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Brake performance not tested |3.3| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Upper Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Wheel more than one fixing missing axle split pin missing |5.2.1 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Horn control defective |1.7.2a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Centre Headlamp insecure |1.7.3| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front position lamp damaged and function impaired not working |1.1.1b| | 1 |
| Centre Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front shock absorber leaking oil |9.2.7b| | 1 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp aim headlamp deteriorated and function impaired no headlamp image |1.2.3a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil Right front fork oil seal excessively leaking |2.3.3| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Rear Brake pipe inadequately supported clamp detatched |3.2.B2b| | 1 |
| Nearside Rear Direction indicator incorrect colour flashing white |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour flashing white |1.5.1b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Stop lamp(s) not working does not operate with front brake (4.3.1 (a) (ii)) | 1 |
| Front Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn control not functioning. (1.7.2b) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Steering operation restricted in free movement from lock to lock trapped cables (2.1.4 (c)) | 1 |
| Front Wheel more than one fixing missing Front wheel spindle nut locking device missing (5.2.1 (a) (ii)) | 1 |