| Most common failures | No# failures |
|---|
| Drive chain excessively loose |6.2.1d| | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Headlamp aim out of alignment | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Registration plate issues | 6 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 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 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
| Offside Handlebar deformed |2.1.1b| | 2 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Throttle operating incorrectly Throttle does not return when released |6.2.1f| | 1 |
| Rear suspension bush has excessive free play Rear suspension has excessive free play movement |2.4.A2a|i|| | 1 |
| Rear position lamp insecure Rear light insecure |1.1.1c| | 1 |
| Drive chain excessively tight drive chain is tight in certain places |6.2.1d| | 1 |
| Riders seat insecure seat is insecure |6.2.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Upper Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Upper Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Upper Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Lower Front suspension assembly component cracked |2.3.1| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Fuel tank leaking throw leak off pipe |7.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Nearside Front Brake component leaking fluid |3.2.B4| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Rear Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear sprocket loose |6.2.1h| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Centre Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |