| Most common failures | No# failures |
|---|
| Drive chain excessively loose (6.1.7 (c) (i)) | 25 |
| Rear reflector missing (4.8.2 (a) (ii)) | 25 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 15 |
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 12 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 10 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 9 |
| Registration plate lamp issues | 9 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 5 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 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 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 3 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 2 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak L/H Fork (5.3.2 (b)) | 1 |
| Rear Footrest missing pillion footpegs missing. (6.2.12 (a)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected Notchy (2.2.2 (f) (ii)) | 1 |
| Direction indicator not working Rear right (4.4.1 (a) (ii)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Brake component insecure (1.1.21 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake control (4.3.2 (a) (iii)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Footrest missing but has rear seat (6.2.12 (a)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Drive chain excessively tight requires adjusting (6.1.7 (k) (i)) | 1 |
| Throttle operating incorrectly the main throttle body is insecure loose on the handle bar (6.2.7 (a) (i)) | 1 |
| Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected Steering head bearing is centralizing (2.2.2 (f) (ii)) | 1 |
| Rear Footrest missing BOTH (6.2.12 (a)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling rear wheel adjustment out beyond tolerance (wheel alignment) (2.4 (a)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Motorcycle structure is fractured and structural rigidity is significantly reduced LH foot peg bar cracked (6.1.1 (a) (i)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted clip link on backwards (6.1.7 (j) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy Steering headbearings excessively notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted Chain split link incorrectly fitted, and link damaged. (6.1.7 (j) (i)) | 1 |
| Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Drive chain so worn it is likely to fail Chain and sprockets required (6.1.7 (c) (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 |
| Drive chain worn to excess tight & loose sections with seized links! (6.1.7 (c) (i)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Nearside Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain excessively tight adjusted (6.1.7 (k) (i)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Steering linkage ball joint worn to the extent there is a serious risk of detachment notching (2.1.3 (b) (ii)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Clutch lever positioned so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Direction indicator obviously incorrectly positioned less than minimum separation distance (180mm) (4.4.3 (a)) | 1 |
| Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain so worn it is likely to fail siezed links (6.1.7 (c) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected caliper needs lube (1.1.2 (b) (ii)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort rear brake has a judder when on brake tester (1.2.1 (e)) | 1 |
| Offside Rear Exhaust silencer likely to become detached corroded at mount (8.1.1 (b) (ii)) | 1 |
| Offside Rear Exhaust system insecure mount has excessive play (6.1.2 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake disc contaminated suspect fork seal to have been leaking onto disc (1.1.14 (b)) | 1 |
| Front Engine mounting/bracket bracket missing both mounting brackets missing. (6.1.8 (a) (ii)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively loose Plus oil dry (6.1.7 (c) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working Not working when rear brake applied. (4.3.1 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Direction indicator obviously incorrectly positioned rear indicators too close together (4.4.3 (a)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |