| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 91 |
| Registration plate issues | 21 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 12 |
| Headlamp switch faulty |1.2.4| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Throttle operating incorrectly |6.2.1f| | 8 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 7 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 7 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Horn not working |1.7.3a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Headlamp switch faulty |1.2.4| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 2 |
| Horn control not functioning. |1.7.2b| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revs to full when handlebars to the left |6.2.7 |a| |ii|| | 1 |
| Throttle operating incorrectly revs increase on l h lock |6.2.7 |a| |i|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Stop lamp lens defective such that the emitted light is adversely affected |4.3.1 |b| |ii|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Offside Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Offside Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Headlamp light source and lamp not compatible HID fitted. |4.1.4 |c|| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Front Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Footrest insecure Securing device missing |6.2.12 |a|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected staying on no return |6.2.7 |a| |ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Centre Front Upper Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Centre Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp main beam in op after a few seconds |1.2.2b|i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Brake locking device missing |3.2.A1e| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp switch faulty main beam switch faulty |1.2.4| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake component leaking fluid |3.2.B4| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Offside Front shock absorber seal failed and leaking oil Leaking badly. |2.3.3| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp aim headlamp deteriorated and function impaired Projector beam lamp fitted and showing incorrect beam pattern. |1.2.3a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Front Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired bulb incorrectly fitted |1.2.3a| | 1 |
| Offside Lower Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking frame to engine securing bolt missing |6.1.1c| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Rear Wheel spoke excessively bent |4.2.1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake hose connection leaking (1.1.12 (c)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |