| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp aim out of alignment | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Horn not working |1.7.3a| | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort rear disc distorted |1.2.1 |e|| | 1 |
| Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Throttle operating incorrectly sticking |6.2.1f| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Rear Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Centre Rear Rear position lamp insecure |1.1.1c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Shock absorber has a serious fluid leak Front fork seals |5.3.2 |b|| | 1 |
| Rear Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp not working front switch (4.3.1 (a) (ii)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake does not illuminate the stop lamp (4.3.2 (a) (iii)) | 1 |
| Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle not self closing (6.2.7 (a) (ii)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect No image (4.1.2 (c)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Upper Position lamp not working (4.2.1 (a)) | 1 |
| Rear All direction indicators obviously incorrectly positioned less that 180mm separation distance (solo motorcycles - 240mm at the front and 180mm at the rear) (4.4.3 (a)) | 1 |
| Stop lamp not working from front brake. (4.3.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |