| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 42 |
| Headlamp aim out of alignment | 15 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 13 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 6 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Registration plate lamp issues | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Offside Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Brake pipe excessively corroded | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Upper Exhaust mounting missing |7.1.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies brake |1.3.1a| | 1 |
| Centre Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Stop lamp not working Front brake light switch faulty. |4.3.1 |a| |ii|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Centre Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Front Brake disc missing Nearside caliper also missing (1.1.14 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 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 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Shock absorber has negligible damping effect REAR AIR SUSPENSION COLLAPSED (5.3.2 (b)) | 1 |
| Nearside Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Offside Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Offside Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Stop lamp not working with l/hand leaver (4.3.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Lower Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Front position lamp incorrect colour Showing blue light. |1.1.2a| | 1 |
| Offside Front Front position lamp incorrect colour Showing blue light. |1.1.2a| | 1 |
| Registration plate issues | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Roller brake test indicates a binding brake unable to test front wheel bearings |3.3.A1a| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| An item not tested |Manual| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Front Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Brake lever has inadequate reserve travel rear |3.1.3b| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Front Brake excessively binding unable to correctly check front wheel bearings due to seized brakes |1.2.1 |f|| | 1 |