| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Registration plate issues | 6 |
| Headlamp aim out of alignment | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Offside Footrest insecure |6.2.1a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp light intensity severely reduced Bulb fallen out |4.1.4 |a|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Brake locking device insecure rear brake rod locknut |3.2.A1e| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Fairings insecure and likely to impede the steering |2.1.2e| | 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 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |