| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Registration plate lamp issues | 9 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 9 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Registration plate issues | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Central Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Upper Rear mono-shock insecure |2.4.B.4| | 1 |
| Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies front control |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam Low beam |1.2.2a|i|| | 1 |
| Headlamp incorrect colour Main beam |1.2.1| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a sticking brake brake pedal pivot seized |3.3.A1a| | 1 |
| Rear Stop lamp remains on when the brake is released brake pedal pivot sticking |1.3.1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Lower Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Roller brake test indicates a sticking brake rear brake pedal pivot pin/bush lubed |3.3.A1a| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Throttle operating incorrectly not returning |6.2.1f| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp at least one does not illuminate on main beam main beam not working when switch is applied but works via flash button. |1.2.2a|ii|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Central Rear Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Offside Rear Lower Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Footrest insecure |6.2.12 |a|| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake linked system has a seized master cylinder pivot. |3.2.B5| | 1 |
| Handlebar deformed causing o/s lock stop to be ineffective |2.1.1b| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front |1.3.1a| | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Position lamp not working (4.2.1 (a)) | 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 |
| Nearside Front Handlebar grip insecure to handlebar GLUED DURING TEST (2.2.1 (d) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort suspect a disc issue (1.2.1 (e)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Offside Rear Lower Suspension component pin or bush excessively worn front (5.3.4 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp not working Handlebar control (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Footbrake control (4.3.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak both front (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Stop lamp not working front brake switch renewed (4.3.1 (a) (ii)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Brake performance not tested Front brake binding, unable to check wheel bearings (1.2.1 (g)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect and leaking oil (5.3.2 (b)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |