| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Registration plate lamp issues | 2 |
| Shock absorber has a serious fluid leak fork seal righthand leaking lefthand slight misting (5.3.2 (b)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Front Brake lever pivot excessively tight (1.1.1 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Front Upper Shock absorber has a serious fluid leak Front right hand fork seal (5.3.2 (b)) | 1 |
| Central Rear Lower Wheel bearing has excessive play Rear wheel bearing play side to side (5.1.3 (a) (i)) | 1 |
| Central Rear Lower Drive chain excessively tight, so that it is likely to fail Chain has a tight spot (6.1.7 (k) (ii)) | 1 |
| Central Front Upper Steering headbearing in such a condition that steering control is adversely affected Headrace bearing knocking (2.2.2 (f) (ii)) | 1 |
| Central Rear Outer Stop lamp switch with a delay in operation stop lamp operates/light after brake has been applied (4.3.2 (a) (ii)) | 1 |
| Central Rear Lower Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake component modification adversely affecting braking performance PARKING BRAKE NOT WORKING (1.1.21 (d) (ii)) | 1 |
| Front Brake excessively binding unable to turn wheel (1.2.1 (f)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Registration plate issues | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls ADJUSTED SWITCH (4.3.2 (a) (iii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |