| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Horn not working (7.7 (a)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Central Front Horn not working (7.7 (a)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain excessively loose one or two tight links in drive chain (6.1.7 (c) (i)) | 1 |
| Rear Brake fluid contaminated requires new brake fluid (1.8 (a)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Central Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Central Front Steering operation fouling on the fuel tank or bodywork on full lock Both mirrors hit the screen on full lock (2.1.4 (b)) | 1 |
| Footrest insecure Retaining clip missing (6.2.12 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |