| Most common failures | No# failures |
|---|
| Registration plate issues | 53 |
| Headlamp aim out of alignment | 35 |
| Rear reflector on motorcycle missing |1.4.1| | 32 |
| Registration plate lamp issues | 15 |
| Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| Horn not working |1.7.3a| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 6 |
| Front wheel bearings are excessively rough |2.3.5b| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 4 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake lever pivot excessively tight (1.1.1 (a)) | 1 |
| Horn not working sticking press button (7.7 (a)) | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies pedal |1.3.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Suspension component likely to fail (5.3.3 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working wih front brake (4.3.2 (a) (iii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Stop lamp not working brake lever (4.3.1 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear reflector likely to become detached |4.8.1 |b| |ii|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Lower Brake excessively binding |1.2.1 |f|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Rear reflector on motorcycle missing Replaced |1.4.1| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Shock absorber has a serious fluid leak forks (5.3.2 (b)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies on front control |1.3.1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies Brake Light Switch Changed PRS |1.3.1a| | 1 |
| Central Rear Lower Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Upper Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Brake disc significantly and obviously worn front left brake disc worn and has excess run out as shown on rolling brake tester |1.1.14 |a| |i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Rear Lower Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Headlamp aim headlamp deteriorated and function impaired incorrect image |1.2.3a| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Chain guard insecure |6.2.1c| | 1 |
| Offside Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake component leaking fluid |3.2.B4| | 1 |
| Throttle operating incorrectly Revving up on lock (6.2.7 (a) (i)) | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |