| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 52 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 14 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 9 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 7 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak BOTH |5.3.2 |b|| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Rear spring corroded and seriously weakened |2.4A1b|ii|| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Vehicle identification number not legible |6.3.5a| | 1 |
| Registration plate issues | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Vehicle identification number not permanently displayed |6.3.5a| | 1 |
| Brake performance not tested |3.3| | 1 |
| Decelerometer brake test no brake control achieves an efficiency of 30% |3.3.E1a| | 1 |
| Decelerometer brake test neither brake control achieves an efficiency of 25% |3.3.E1c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies control two switch |1.3.1a| | 1 |
| Front shock absorber seal failed and leaking oil both front shockers |2.3.3| | 1 |
| Brake hose is likely to be fouled or trapped by moving parts loose |3.2.B2c| | 1 |
| Offside Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Upper Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Lower Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 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 |
| Registration plate lamp issues | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Brake lever has insufficient reserve travel rear brake (1.1.2 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |