| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 17 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 17 |
| Registration plate lamp issues | 14 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Stop lamp remains on when the brakes are released | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Registration plate issues | 5 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Headlamp aim not tested |1.6| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Offside Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Headlamp aim headlamp deteriorated and function impaired Beam pattern is not correct |1.2.3a| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Road spring insecure (5.3.1 (a) (i)) | 1 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working not working when rear brake is applied (4.3.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort brake roller tester indicates excessive run out in rear brake disc (1.2.1 (e)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Rear Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Rear Brake caliper operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Stop lamp does not illuminate immediately a brake applies bulb blown |1.3.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies both |1.3.1a| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Stop lamp not working From front brake lever. (4.3.1 (a) (ii)) | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working On rear brake lever |4.3.1 |a| |ii|| | 1 |
| Handlebar handgrip not secure to handlebars. both |2.1.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake pipe union leaking fluid |3.2.B4| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies at front lever |1.3.1a| | 1 |
| Stop lamp remains on when the brake is released at rear lever |1.3.1e| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Forks excessively corroded fork inner stations need replaced |2.2.2 |d| |i|| | 1 |
| Front Shock absorber has a serious fluid leak fork seals leaking |5.3.2 |b|| | 1 |
| Nearside Brake lever not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Offside Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Brake performance not tested rear brake piston likely to fail and leak fluid. DANGEROUS (1.2.1 (g)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Shock absorber has a serious fluid leak both |5.3.2 |b|| | 1 |
| Nearside Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies on front brake lever |1.3.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Stop lamp not working Rear brake lever (4.3.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Throttle operating incorrectly Not returning (6.2.7 (a) (i)) | 1 |