| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 24 |
| Headlamp aim out of alignment | 19 |
| Registration plate lamp issues | 12 |
| Registration plate issues | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested due to headlamp not working (4.1.2 (b)) | 1 |
| Front Brake caliper inadequately mounted fork/caliper lug broken (1.1.16 (c) (i)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |
| Suspension arm ball joint excessively worn swinging arm (5.3.4 (a) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Stop lamp not working FROM FRONT LEVER SWITCH (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 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Brake excessively binding |1.2.1 |f|| | 1 |
| Wheel alignment incorrect which adversely affects the handling swinging arm loose |2.4 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the steering Swinging arm loose |2.4 |a|| | 1 |
| Engine mounting/bracket excessively loose swinging arm |6.1.8 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Suspension component pin or bush excessively worn side play in swing arm (5.3.4 (a) (i)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Rear Motorcycle structure joining/attachment plate or fastening insecure wheel alignment bolt and bracket o/s rear on end of swing arm (6.1.1 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Central Rear Suspension arm pin or bush likely to become detached (5.3.4 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Direction indicator not working front offside winker not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Stop lamp not working front brake stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front control not working (4.3.2 (a) (iii)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Rear Brake cylinder damaged (1.1.16 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp not working front lever switch (4.3.1 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp not working Front control (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working front brake switch (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Suspension arm pin or bush excessively worn swingarm pivot bush/bearing (5.3.4 (a) (i)) | 1 |