| Most common failures | No# failures |
|---|
| Registration plate issues | 17 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Headlamp aim out of alignment | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| 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| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies front switch |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Rear 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 |
| Offside Front Throttle operating incorrectly Sticky throttle (6.2.7 (a) (i)) | 1 |
| Riders seat insecure incorrectly mounted (6.2.5 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Drive belt excessively loose (6.1.7 (c) (i)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working control 2 (4.3.1 (a) (ii)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside 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 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Upper Brake pipe leaking |1.1.11 |b|| | 1 |
| Brake pipe excessively corroded | 1 |
| Offside Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Front Brake servo defective or ineffective (1.1.10 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Direction indicator obviously incorrectly positioned n/s/f and o/s/f (4.4.3 (a)) | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |