| Most common failures | No# failures |
|---|
| Registration plate issues | 27 |
| Headlamp aim out of alignment | 15 |
| 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| | 5 |
| Rear Direction indicator incorrect colour |1.5.1b| | 4 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Brake pipe excessively corroded | 2 |
| Sidecar rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 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 |
| Stop lamp remains on when the brakes are released | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| 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 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Front Wheel spoke cracked 6 x spokes |5.2.2 |d|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Riders seat missing |6.2.1a| | 1 |
| Nearside Outer Sidecar suspension has an insecure unit. Suspension unit loose |5.2.3a| | 1 |
| Nearside Rear Lower Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Lower Direction indicator incorrect colour |1.5.1b| | 1 |
| Registration plate lamp issues | 1 |
| Rear Stop lamp light intensity significantly reduced from front and rear control (4.3.3 (a) (ii)) | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Sidecar front position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |