| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 27 |
| Headlamp aim out of alignment | 24 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 18 |
| Registration plate issues | 16 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 11 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 9 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 8 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 6 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 5 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Headlamp aim not tested |1.6| | 4 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 3 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Headlamp aim not tested |4.1.2 |b|| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Forks excessively deformed |2.2.2 |d| |i|| | 1 |
| Brake disc contaminated fork oil leaked onto brake |1.1.14 |b|| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake disc significantly and obviously worn rear disc warped |1.1.14 |a| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Nearside Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Headlamp insecure |1.2.3b| | 1 |
| Brake performance not tested |3.3| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp switch faulty Pass switch not returning |1.2.4| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on dipped beam not working |1.1.3a| | 1 |
| Central Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Central Rear Lower Motorcycle structure is fractured and structural rigidity is significantly reduced |6.1.1 |a| |i|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp aim not tested low beam not working |1.6| | 1 |
| Rear Brake excessively binding Rear Brake Disc Warped and Binding |1.2.1 |f|| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a severely juddering brake disc warped |3.3.A1b| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Central Rear Brake disc significantly and obviously worn Rear disk warped |1.1.14 |a| |i|| | 1 |
| Central Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Lower Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp likely to become detached |4.2.1 |c| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn Rear brake disc warp |1.1.14 |a| |i|| | 1 |
| Exhaust has a major leak of exhaust gases Broken securing clamp |6.1.2 |a|| | 1 |
| Nearside Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Nearside Front Motorcycle structure is fractured and structural rigidity is significantly reduced |6.1.1 |a| |i|| | 1 |
| Offside Front Headlamp lens seriously defective Lens Broken, Sharp edges present |4.1.1 |b| |ii|| | 1 |
| Stop lamp not working l/h |4.3.1 |a| |ii|| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front 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 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake disc significantly and obviously worn Bably scored from metal on rear pads having no friction material. (1.1.14 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 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 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly not returning fully (6.2.7 (a) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp not working brakelight switch not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Brake disc insecure Disk bolt missing (1.1.14 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Wheel fractured (5.2.2 (a)) | 1 |
| Rear Brake disc significantly and obviously worn very badly warped not able to take a reading (1.1.14 (a) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Position lamp adversely affected by the operation of another lamp Offside rear position lamp extinguished on application of both front and rear brake lights (4.2.3 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort Rear brake does not lock and brake force fluctuates between 70kg and 90kg at full application. (1.2.1 (e)) | 1 |
| Headlamp aim not tested Dipped beam not working (4.1.2 (b)) | 1 |
| Headlamp light intensity severely reduced LED bulbs fitted with no proper beam pattern (4.1.4 (a)) | 1 |
| Offside Front Wheel fixing missing (single fixing) pinch bolt missing (5.2.1 (a) (ii)) | 1 |
| Front Brake caliper cracked (1.1.16 (a) (i)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |