| Most common failures | No# failures |
|---|
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Headlamp aim out of alignment | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Horn not working |1.7.3a| | 5 |
| Registration plate issues | 4 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear reflector on motorcycle obscured |1.4.2b| | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Exhaust mounting missing |7.1.1c| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Handlebar handgrip not secure to handlebars. both |2.1.1c| | 2 |
| 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| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Stop lamp not working on front control |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate immediately a brake applies front lever |1.3.1a| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Stop lamp not working brake lever (4.3.1 (a) (ii)) | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Front suspension has excessive stiffness in the suspension movement. both front suspension shock absorbers nearly solid do not drive this scooter |2.3.6b| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp insecure Front fairing loose (4.1.1 (c)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Stop lamp not working from rear brake lever |4.3.1 |a| |ii|| | 1 |
| Riders seat insecure not locking down |6.2.5 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies brake lever |1.3.1a| | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear suspension bush has excessive free play Engine mounts are excessively worn |2.4.A2a|i|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Exhaust is leaking and excessively noisey leaking at joints. |7.1.1b| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Exhaust has a major leak of exhaust gases Front pipe. (6.1.2 (a)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride centre stand bolts missing |6.2.1h| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Direction indicators not working both left |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on not working |1.1.3a| | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Nearside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear wheel spindle securing nut locking device missing Wrong wheel nut is fitted, although tight the wheel is loose. |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut|s| loose wrong nut, may have damaged spindle and splines in hub. |2.4.A.2b| | 1 |
| Front Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Riders seat insecure Seat catch broken,seat insecure |6.2.1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering Handlebars foul bodywork on right hand lock |2.1.2a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Fuel system component leaking fuel leaking from carburetor (6.1.3 (b) (i)) | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride fork pinch bolts loose |6.2.1h| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear position lamp missing |1.1.1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Direction indicator not working all indicators in op |1.5.1c| | 1 |