| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Registration plate lamp issues | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Registration plate issues | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect no movement (5.3.2 (b)) | 1 |
| Rear Brake pedal pivot excessively worn (1.1.1 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear suspension bush has excessive free play left to rightplay in swing arm bearings |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play excessive play in centre rocker link bearing |2.4.A2a|i|| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Direction indicator not working front and rear |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Position lamp switch does not operate in accordance with the requirements rear brake switch (4.2.2 (a)) | 1 |
| Rear Footrest missing no rear footrests |6.2.12 |a|| | 1 |
| Rear reflector missing tape |4.8.2 |a| |ii|| | 1 |
| Rear Suspension component modified so the suspension is inoperative rear end is very stiff. |5.3.3 |c| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock both sides |2.1.4 |b|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Suspension component ball joint excessively worn as marked with yellow chalk |5.3.4 |a| |i|| | 1 |
| Rear Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 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 |
| Front Stop lamp does not illuminate immediately a brake applies front lever |1.3.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Drive chain fouling another component chain slider |6.2.1d| | 1 |
| Engine mounting/bracket excessively loose All engine mounting bolts loose (6.1.8 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Stop lamp missing operated |4.3.1 |a| |ii|| | 1 |
| Drive chain horseshoe locking device likely to become detached horse shoe locking device missing |6.1.7 |j| |ii|| | 1 |
| Steering headbearing has excessive wear or free play top yoke not tightened down causing play between yoke and stem. (2.2.2 (f) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Wheel spoke cracked (5.2.2 (d)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |