| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate lamp issues | 15 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 7 |
| Front Position lamp not working (4.2.1 (a)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Position lamp not working (4.2.1 (a)) | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 2 |
| Rear Brake excessively binding Brake lever seized (1.2.1 (f)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp not working Brake (4.3.1 (a) (ii)) | 1 |
| Rear Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Central Front Upper Shock absorber insecurely attached bolt loose (5.3.2 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Stop lamp not working Rear brake. (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing Obscured. (4.8.2 (a) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Works on rear brake only. (4.3.2 (a) (iii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling out to offside (2.4 (a)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear reflector missing hidden by L plate (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Not Working from operation of rear brake lever (4.3.2 (a) (iii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected PRM Increase on Right Hand Lock (6.2.7 (a) (ii)) | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Registration plate issues | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls when rear leaver operated (4.3.2 (a) (iii)) | 1 |
| Offside Motorcycle structure joining/attachment plate or fastening insecure bolt missing. (6.1.1 (b) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Headlamp light source and lamp not compatible led bulb (4.1.4 (c)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Suspension attachment bracket/mounting insecure chain adjuster (5.3.3 (a) (i)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Throttle operating incorrectly loose at handle bar also retaining clip missing at throttle body (6.2.7 (a) (i)) | 1 |
| Throttle operating incorrectly sticks upon operation (6.2.7 (a) (i)) | 1 |
| Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Brake caliper leaking appears to have fluid round banjo bolt |1.1.16 |b| |i|| | 1 |
| Rear Brake cylinder leaking appears to have fluid round banjo bolt |1.1.16 |b| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak fork (5.3.2 (b)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 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 |
| Central Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Offside Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Motorcycle structure inadequately repaired such that it is likely to adversely affect braking or steering FRONT MUDGUARD AND HEADLIGHT SURROUND, FRONT BRAKE MASTER CYLINDER ALL SUFFERED IMPACT DAMAGE. FRONT FORKS MISALIGNED. (6.1.1 (d) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface Covered by "L" plate |4.8.1 |a| |ii|| | 1 |
| Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Rear reflector missing hidden behind L Plate - not visable (4.8.2 (a) (ii)) | 1 |
| Offside Front Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Rear Brake cylinder insecure (1.1.16 (c) (i)) | 1 |
| Headlamp incorrect colour blue ring. (4.1.4 (a)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Position lamp light intensity significantly reduced main rear driving light not emitting enough light from led unit (4.2.3 (a) (ii)) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |