| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Registration plate issues | 6 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front 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 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Horn not working |1.7.3a| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 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 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp switch faulty |1.2.4| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Nearside Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |