| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Registration plate lamp issues | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Headlamp aim out of alignment | 5 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Brake lever excessively worn Too short to operate safely. (1.1.15 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 1 |
| Fuel cap leaking Seal missing. (6.1.3 (b) (i)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied bent upwards emergency braking could be a problem (1.1.2 (d)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Fork yoke excessively deformed twisted (2.2.2 (d) (i)) | 1 |
| Rear Shock absorber has negligible damping effect excessively stiff (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Wheel more than one fixing missing rear wheel spindle split pin missing (5.2.1 (a) (ii)) | 1 |
| Front Forks insecure split pin missing from front axle (2.2.2 (d) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen incorrect side (4.1.2 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Rear reflector missing |4.8.2 |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 |
| Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| 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 |
| Front Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Suspension component mounting modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Suspension rod modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Direction indicator likely to become detached held on with tape (4.4.1 (c) (ii)) | 1 |
| Central Rear Stop lamp not working does not work with control 1 (handlebar lever) (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear reflector missing covered by L plate (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls Brake light does not illuminate when front lever is activated. (4.3.2 (a) (iii)) | 1 |
| Nearside Handlebar grip insecure to handlebar LHS Grip insecure. (2.2.1 (d) (ii)) | 1 |
| Rear Wheel bearing has excessive play Rear wheel bearing excessive play (5.1.3 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Rear brake lamp not operating of front brake control. (4.3.2 (a) (iii)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted Chain link horseshoe wrong direction. (6.1.7 (j) (i)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen no beam pattern (4.1.2 (a)) | 1 |