| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Nearside 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| | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake master cylinder reservoir cap missing |1.1.10 |e|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Stop lamp remains on when the brake is released When rear brake is applied |1.3.1e| | 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 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Nearside Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Vehicle identification number not permanently displayed |6.3.5a| | 1 |
| Vehicle identification number not legible |6.3.5a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Offside Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Inner Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Throttle operating incorrectly stiff and slow to return |6.2.1f| | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Registration plate issues | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| All position lamps do not illuminate immediately when switched on Front |1.1.3a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Position lamp not working (4.2.1 (a)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Front Stop lamp not working Front brake switch (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake fluid not visible Front brake reservoir (1.1.10 (d) (iii)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |