| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate lamp issues | 12 |
| Registration plate issues | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Horn not working |1.7.3a| | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Position lamp not working |4.2.1 |a|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 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 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front position lamp insecure |1.1.1c| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Stop lamp does not emit a steady light not working on front or rear brake |1.3.1b| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Direction indicator missing both rear lamps missing (4.4.1 (a) (ii)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Engine mounting/bracket missing ENGINE BOLT REPLACED(MISSING) (6.1.8 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Rear Wheel spoke missing 3 |4.2.1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake pedal insecure nut missing from rear bolt (1.1.2 (e) (i)) | 1 |
| Front Brake performance not tested crack on front disc (1.2.1 (g)) | 1 |
| Stop lamp not working foot brake (4.3.1 (a) (ii)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Floor brake test brake efficiency less than 27.5% overall |1.2.2 |a| |ii|| | 1 |
| Headlamp light intensity severely reduced low beam (4.1.4 (a)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Clutch lever positioned so it cannot be readily operated lever pivot bolt insecure (6.2.7 (b)) | 1 |
| Rear Brake clevis joint insecure |1.1.15 |c|| | 1 |
| Wheel alignment incorrect which adversely affects the handling 3inch to the right |2.4 |a|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected rough and notchy |2.2.2 |f| |ii|| | 1 |
| Suspension component pin or bush excessively worn lower rear shock bush |5.3.4 |a| |i|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour White |1.5.1b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| All direction indicators not working not working in accordance with requirements |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp not working Not working on front brake (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Vehicle identification number not displayed |0.2 |a|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Front Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Vehicle identification number not legible (0.2 (b)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Brake pedal attachment screws loose |3.1.2b| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Suspension arm pin or bush excessively worn Rear swing arm bearings (5.3.4 (a) (i)) | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| All direction indicators not working indicators remain on and don`t flash |4.4.1 |a| |ii|| | 1 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp not working All (4.3.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases manifold bolts missing (6.1.2 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Rear Upper Engine mounting/bracket fractured (6.1.8 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Stop lamp not working both (4.3.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Wheel spoke excessively bent |4.2.1b| | 1 |