| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 69 |
| Rear reflector missing (4.8.2 (a) (ii)) | 51 |
| Registration plate issues | 37 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 14 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| 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)) | 5 |
| Horn not working (7.7 (a)) | 4 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Registration plate lamp issues | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Lower Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Front Upper Headlamp aim not tested dip beam not working (4.1.2 (b)) | 1 |
| Rear Rear reflector missing Fitted New (4.8.2 (a) (ii)) | 1 |
| Wheel hub excessively worn front wheel bearing play excess (5.2.1 (b) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam Dip Beam inop (4.1.3 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Rear Footrest insecure Clip missing (6.2.12 (a)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Headlamp light intensity severely reduced dark masks fitted (4.1.4 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect incorrect bulb fitted. (4.1.2 (c)) | 1 |
| Riders seat insecure Seat not screwed down correctly (6.2.5 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect headlight bulb not fitted correctly, giving incorrect beam pattern (4.1.2 (c)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock handlebars have been pulled back, switchgears make light contact with bodywork (2.1.4 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play Steering bearings loose and adjusted (2.2.2 (f) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect no beam pattern due to aftermarket led (4.1.2 (c)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect Dip beam bulb incorrectly fitted,distorting beam pattern. (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image obviously incorrect dip beam bulb not fitted correctly (4.1.2 (c)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Left front fork seal leaking (5.3.2 (b)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Footrest missing Both footrests. (6.2.12 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected grip cover making throttle stick (6.2.7 (a) (ii)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Front Footrest insecure C Clip missing (6.2.12 (a)) | 1 |
| Nearside Front Headlamp light intensity severely reduced very dark cover fitted (4.1.4 (a)) | 1 |
| Offside Front Headlamp light intensity severely reduced very dark cover fitted (4.1.4 (a)) | 1 |
| Rear Brake master cylinder defective but brake still operating excessive travel of brake pedal before brake applies (1.1.10 (b) (i)) | 1 |
| Offside Front Footrest insecure securing clip missing and pin has worked loose (6.2.12 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure mud guard (6.1.1 (b) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Brake master cylinder insecure tightened rear master cylinder mounting bolts (1.1.10 (c)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned in tail light (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned in tail light (4.4.3 (a)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Brake cable insecure (1.1.15 (c)) | 1 |
| Nearside Rear Footrest missing Removed O/S passenger footrest to facilitate MOT pass (6.2.12 (a)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Central Front Outer Wheel hub excessively worn Front wheel bearings worn fit new (5.2.1 (b) (i)) | 1 |
| Rear Footrest missing pillon (6.2.12 (a)) | 1 |
| Rear reflector missing rear of bike (4.8.2 (a) (ii)) | 1 |
| Central Rear Suspension arm pin or bush excessively worn swinging arm bushes require adjustment (5.3.4 (a) (i)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Wheel spindle locking device ineffective Loose (5.2.1 (d)) | 1 |
| Nearside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording "For racing use only" (6.1.2 (c)) | 1 |
| Central Front Upper Headlamp not working on main beam head light (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |