| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 106 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 79 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 58 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 42 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 41 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 39 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 39 |
| Steering headbearing has excessive free play |2.2.2| | 33 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 29 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 27 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 26 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 25 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 25 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 23 |
| Front wheel bearings have excessive free play |2.3.5b| | 22 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 19 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 19 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 19 |
| Registration plate issues | 17 |
| Front wheel bearings are excessively rough |2.3.5b| | 13 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 13 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 13 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 12 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 12 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 11 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 11 |
| Throttle operating incorrectly |6.2.1f| | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 9 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 9 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 9 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 9 |
| Exhaust excessively deteriorated |7.1.1a| | 9 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Front Steering headbearing has excessive free play |2.2.2| | 8 |
| Horn not working |1.7.3a| | 8 |
| Stop lamp remains on when the brake is released |1.3.1e| | 7 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 7 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 6 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 6 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 5 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 5 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 5 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 4 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 4 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 4 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 4 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 4 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Headlamp aim not tested |1.6| | 3 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 3 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 3 |
| Nearside Front Footrest insecure |6.2.1a| | 3 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 3 |
| Rear Position lamp not working |4.2.1 |a|| | 3 |
| Front Exhaust excessively deteriorated |7.1.1a| | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| An item not tested |Manual| | 3 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Horn not working (7.7 (a)) | 3 |