| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Registration plate lamp issues | 23 |
| Registration plate issues | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Horn not working |1.7.3a| | 3 |
| 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)) | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive belt excessively tight |6.1.7 |k| |i|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Central Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Shock absorber has a serious fluid leak oil on brake caliper (5.3.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake pedal cannot be released smoothly pedal pivot appears to be partially seized,not releasing caliper pressure |3.1.3d| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded caliper is binding,pads not releasing fully from disc, free rotation of wheel restricted |3.2.A1h| | 1 |
| Stop lamp remains on when the brake is released rear brake pedal not releasing stoplight switch |1.3.1e| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Stop lamp remains on when the brake is released rear brake |1.3.1e| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected insecure on handlebars (6.2.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Fork yoke insecure top yoke nut loose (2.2.2 (d) (i)) | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Exhaust has a major leak of exhaust gases Header gaskets |6.1.2 |a|| | 1 |
| Headlamp light source and lamp not compatible led lamp fitted (4.1.4 (c)) | 1 |
| 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|| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling on rear wheel adjusters (2.4 (a)) | 1 |
| Drive belt excessively tight (6.1.7 (k) (i)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Wheel more than one fixing loose wheel adjuster lock nuts loose (5.2.1 (a) (ii)) | 1 |
| Drive belt so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive belt excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Drive belt worn to excess ******** teeth all split *********** (6.1.7 (c) (i)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Headlamp not working on main beam Head light operation unreliable ,has intermittent connection and does not remain on. (4.1.1 (a) (ii)) | 1 |
| Rear Brake clevis joint insecure (1.1.15 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls switch (4.3.2 (a) (iii)) | 1 |
| Direction indicator not working Front right (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Headlamp reflector seriously defective |4.1.1 |b| |ii|| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies front brake light switch not working |1.3.1a| | 1 |