| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Stop lamp switch with a delay in operation Front brake light switch intermitent |4.3.2 |a| |ii|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted locking clip incorrectly fitted and chain has siezed links |6.1.7 |j| |i|| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock due to insecure loom (2.1.4 (b)) | 1 |
| Front Brake lever is so short and the brake cannot be readily applied held on with tape |3.1.3c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Drive chain fouling another component stand |6.2.1d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride no split on split link |6.2.1h| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Motorcycle structure is fractured and structural rigidity is significantly reduced Steering lock stop bent causing too much steering lock |6.1.1 |a| |i|| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Trailing arm bush (5.3.4 (a) (i)) | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm bushes |5.3.4 |a| |i|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Exhaust mounting missing mounting bracket corroded off |7.1.1c| | 1 |
| Brake fluid reservoir fluid not visible sight glass broken and leaking fluid |1.1.10 |d| |iii|| | 1 |
| Offside Brake lever has insufficient reserve travel brake control 1 |1.1.2 |a|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |