| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 55 |
| Headlamp aim out of alignment | 54 |
| Registration plate issues | 19 |
| Registration plate lamp issues | 15 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 9 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 8 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 8 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| 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)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| 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)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Nearside Handlebar retaining device loose end (2.2.1 (b) (i)) | 1 |
| Brake lever has insufficient reserve travel and bent (1.1.2 (a)) | 1 |
| Clutch lever positioned so it cannot be readily operated bolt missing (6.2.7 (b)) | 1 |
| Drive chain sprocket worn to excess front and rear (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket excessively loose cush drive in rear wheel (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering CHAIN ADJUSTMENT INCORRECT (2.4 (a)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Headlamp insecure (Held on with Cable Ties, Brackets Broken) (4.1.1 (c)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (Faulty Switch Assy) Main Beam Permanantly On) (4.1.3 (b)) | 1 |
| Drive chain sprocket worn to excess (Front and Rear Sprocket) (6.1.7 (c) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Headlamp aim unable to be tested (Not Secured) (4.1.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Rear Brake disc contaminated lubricating substance on surface (1.1.14 (b)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle sticking (6.2.7 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front 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 |
| Rear brake disc in such a condition that it is seriously weakened | 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 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Brake lining(s) less than 1.0 mm thick back brake (1.1.13 (a)) | 1 |
| Stop lamp switch with a delay in operation back brake (4.3.2 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Shock absorber has a serious fluid leak MISTING AND LEAKING DOWN FORK LEG (5.3.2 (b)) | 1 |
| Headlamp incorrect colour Dipped beam showing mostly blue light (4.1.4 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect Dipped beam showing light above the required beam pattern line (4.1.2 (c)) | 1 |
| Front Brake lever insecure master cylinder mounting clamp loose (1.1.2 (e) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition baffle missing. (8.1.1 (a)) | 1 |
| Front Brake disc significantly and obviously worn Discs under wear limit (1.1.14 (a) (i)) | 1 |
| Throttle operating incorrectly Sticking on right hand lock (6.2.7 (a) (i)) | 1 |
| Central Front Inner Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested Head lamp appears to be always on main beam regardless of dip switch position even when main beam warning light is off (4.1.2 (b)) | 1 |
| Offside Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition not std system (8.1.1 (a)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |