| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 24 |
| Rear reflector on motorcycle missing |1.4.1| | 21 |
| Headlamp aim out of alignment | 19 |
| Registration plate issues | 11 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Drive chain worn to excess |6.2.1e| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Horn not working |1.7.3a| | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Offside Steering lock stop maladjusted |2.1.3| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Registration plate lamp issues | 2 |
| Horn control not functioning. |1.7.2b| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Stop lamp insecure |1.3.3b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Steering lock stop maladjusted |2.1.3| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering lock stop maladjusted |2.1.3| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Direction indicators affected by the operation of another lamp Indicators fitted in rear light affecting the
stoplight & rearlight area! |1.5.1c| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect FRONT SUSPENSION WORKING LESS THAN HALF NORMAL TRAVEL (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear suspension component cracked @nearside rose joint on wishbone. (2.4.A.1a) | 1 |
| Nearside Rear Direction indicator obscured (1.5.1a) | 1 |
| Offside Rear Direction indicator obscured (1.5.1a) | 1 |
| Direction indicator flashing more than 120 times per minute All (1.5.1c) | 1 |
| Offside Front Direction indicator not working (1.5.1c) | 1 |
| Nearside Steering lock stop loose (2.1.3) | 1 |
| Offside Steering lock stop loose (2.1.3) | 1 |
| Offside Steering lock stop ineffective (2.1.3) | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts (3.2.B2c) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Rear Rear wheel rotation likely to be impeded Hits on tail light at full suspension travel. (6.2.1b) | 1 |
| Nearside Front Direction indicator insecure (1.5.3b) | 1 |
| 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) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Lower Horn not working |1.7.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| 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| | 1 |
| Central Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |