| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Registration plate lamp issues | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Lower Front suspension assembly component missing retaining bolt snaped |2.3.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Outer Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Front Inner Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Handlebar restricted in free movement from lock to lock fouling screen (2.1.4 (c)) | 1 |
| Nearside Clutch lever positioned so it cannot be readily operated insecure (6.2.7 (b)) | 1 |
| Drive chain excessively tight, so that it is likely to fail |6.1.7 |k| |ii|| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Brake lever mounting insecure |3.1.2a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake disc contaminated oil (1.1.14 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected RIGHT HAND LOCK (6.2.7 (a) (ii)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Inner Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls front not operating (4.3.2 (a) (iii)) | 1 |