| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Registration plate issues | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Registration plate lamp issues | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front Brake cylinder severely corroded |3.2.B1b| | 2 |
| Offside Front Brake cylinder severely corroded |3.2.B1b| | 2 |
| 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|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working front brake |4.3.1 |a| |ii|| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Throttle operating incorrectly Throttle cable does not fit into control and is insecure |6.2.1f| | 1 |
| Motorcycle structure cracked Left footrest hanger missing |6.1.1a| | 1 |
| Brake reaction bracket securing bolt|s| missing Rear brake torque arm securing pin missing |3.2.A1j| | 1 |
| Brake pedal pivots excessively worn Excess movement in rear brake operating arm |3.1.3a| | 1 |
| Rear reflector on motorcycle missing Rear reflector missing |1.4.1| | 1 |
| Rear wheel bearings have excessive free play Excess play in rear wheel bearing area |2.4.A.2c| | 1 |
| Riders seat insecure Riders seat is insecure with no mounting nuts |6.2.1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Brake caliper|s| insecure |3.2.A1j| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Position lamp switch insecure |1.1.4b| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear position lamp|s| has a product on the lens so it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear position lamp|s| has a product on the lens so it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Axle insecure such that stability is impaired (5.1.1 (b) (ii)) | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Stop lamp not working Front operated. (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Rear operated. (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Throttle sticking on. (6.2.7 (a) (i)) | 1 |
| Horn sound not in accordance with requirements Horn sound weak. (7.7 (c)) | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Stop lamp missing |1.2.1a| | 1 |
| Offside Stop lamp missing |1.2.1a| | 1 |
| Inner Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Upper Riders seat insecure |6.2.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |