| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 65 |
| Registration plate issues | 46 |
| Registration plate lamp issues | 25 |
| Headlamp aim out of alignment | 22 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 10 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 9 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 7 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Offside Rear Footrest missing (6.2.12 (a)) | 5 |
| 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 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 3 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Footrest missing seat fitted (6.2.12 (a)) | 1 |
| Offside Rear 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 |
| Offside Front Brake hose leaking brake hose weeping brake fluid at banjo (1.1.12 (c)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Nearside Front Wheel fixing loose (single fixing) Front axel locking screw loose. (5.2.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - owner re attached new one (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Footrest missing rear foot pegs missing, retaining rear pillion seat (6.2.12 (a)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering rear wheel fitted incorect (2.4 (a)) | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - added as needed (4.8.2 (a) (ii)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking open (6.2.7 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Incorporated in rear light (4.4.3 (a)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Exhaust has a major leak of exhaust gases Leaking at header pipes (6.1.2 (a)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Rear Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 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 missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector reflecting white to the rear (4.8.2 (a) (ii)) | 1 |
| Rear reflector missing Added during test. (4.8.2 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Drive chain worn to excess Seized links (6.1.7 (c) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Footrest insecure Nearside pillion footrest missing split pin/components (6.2.12 (a)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Lower Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Central Rear Lower Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak left fork leg leaking oil. (5.3.2 (b)) | 1 |
| Offside Rear Drive chain worn to excess chain loose and worn. (6.1.7 (c) (i)) | 1 |
| Nearside Front Brake lining(s) contaminated contaminated with fork oil. (1.1.13 (b)) | 1 |
| Nearside Front Brake disc contaminated contaminated with fork oil. (1.1.14 (b)) | 1 |
| Nearside Rear Footrest missing pillion (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing pillion (6.2.12 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear reflector missing PRS -Replaced (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing no rear footrests fitted (6.2.12 (a)) | 1 |
| Nearside Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn Rear Shock (Lower) (5.3.4 (a) (i)) | 1 |