| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Registration plate lamp issues | 8 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 6 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Registration plate issues | 2 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Stop lamp not working front brake lever (4.3.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake component insecure BRAKE PLATE ANCHOR ARM NUT LOOSE AND NO SPLIT PIN FITTED (1.1.21 (c)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Fork yoke excessively deformed |2.2.2 |d| |i|| | 1 |
| Fork yoke in such a condition that steering control is adversely affected |2.2.2 |d| |ii|| | 1 |
| Front Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied bar end ball missing exposing sharp edge to the public (1.1.2 (d)) | 1 |
| Riders seat insecure does not lock down (6.2.5 (a) (ii)) | 1 |
| Footrest missing both anti slip provisions are excessively worn (6.2.12 (a)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected grip is excessively worn
right hand side (6.2.7 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Headlamp not working on dipped beam changed bulb |4.1.1 |a| |ii|| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake linkage has restricted free movement (1.1.15 (e)) | 1 |
| Nearside Footrest missing (6.2.12 (a)) | 1 |
| Offside Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Front Footrest missing (6.2.12 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Suspension component likely to become detached (5.3.3 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Front Shock absorber has a serious fluid leak both fork seals failed (5.3.2 (b)) | 1 |
| Nearside Front Upper Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Upper All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements affected by other lamps (7.7 (c)) | 1 |
| Offside Front Brake lever insecure securing bolt broken (1.1.2 (e) (i)) | 1 |
| Offside Front Brake caliper insecurely mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Stop lamp not working rear switch |4.3.1 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Footrest insecure mounting bracket |6.2.12 |a|| | 1 |