| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Brake hose excessively deteriorated | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Headlamp insecure (4.1.1 (c)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| 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)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Registration plate issues | 1 |
| Stop lamp does not illuminate by the operation of both brake controls control 2 (rear) inoperative (4.3.2 (a) (iii)) | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp aim not tested |4.1.2 |b|| | 1 |
| Front Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Rear Stop lamp not working Brake light does not illuminate when front brake is applied. (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp aim projected beam image obviously incorrect led bulb ; parts of bulb come off & lying loose inside headlight . (4.1.2 (c)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake lever not releasing correctly and functionality of brakes affected rear brake (1.1.2 (b) (ii)) | 1 |
| Rear Brake drum contaminated (1.1.14 (b)) | 1 |
| Headlamp aim not tested headlamp insecure (4.1.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Exhaust has a major leak of exhaust gases EGR (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment brake lever (1.1.15 (f)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Central Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Offside Rear 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 |
| Offside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Rear Lower Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Lower Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Lower Horn not working (7.7 (a)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Horn missing switch |1.7.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Lower Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim not tested Not tested due to headlamp being insecure (4.1.2 (b)) | 1 |
| Stop lamp with a multiple light source more than 1/2 not functioning both front and rear stop lights not working. (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever pivot excessively worn (1.1.1 (b)) | 1 |
| Stop lamp not working When rear brake is applied. (4.3.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy ********* possibly need replacing ********** (2.2.2 (f) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear reflector missing obscured by l plate (4.8.2 (a) (ii)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock speedo cable insecure (2.1.4 (a)) | 1 |
| Suspension component damaged and seriously weakened forks or yoke bent (5.3.3 (b) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Rear Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake performance unable to be tested due to front brake binding. (1.2.1 (g)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Brake grabbing severely Front brake lever very stiff and grabbing. (1.2.1 (c)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |