| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Registration plate issues | 24 |
| Rear reflector missing (4.8.2 (a) (ii)) | 21 |
| Registration plate lamp issues | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 7 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Horn not working (7.7 (a)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| 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|| | 3 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp aim not tested |1.6| | 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 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Stop lamp remains on when the brakes are released | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Steering operation restricted in free movement from lock to lock brake line traps between mudguard and underside of headlight assembly restricting movement to full lock left. (2.1.4 (c)) | 1 |
| Headlamp aim beam image kick up to the offside (1.6) | 1 |
| Nearside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp not working Off rear brake. (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake switch |1.3.1a| | 1 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Footrest missing both rear footrests missing (6.2.12 (a)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working from front & rear brake control (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls not working (4.3.2 (a) (iii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake has no recorded effort at a wheel Air removed from system (1.2.1 (a) (ii)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Footrest missing pillion |6.2.1a| | 1 |
| Rear Stop lamp not working Switch not working. |4.3.1 |a| |ii|| | 1 |
| Rear Brake fluid contaminated |1.8 |a|| | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Footrest missing R & L - rear passenger |6.2.12 |a|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicator not working All Indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls rear control (4.3.2 (a) (iii)) | 1 |
| Rear Rear reflector missing PRS - Reflector fitted (4.8.2 (a) (ii)) | 1 |
| Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Footrest missing right side |6.2.12 |a|| | 1 |
| Rear Footrest missing left side |6.2.12 |a|| | 1 |
| Footrest missing Pillion |6.2.12 |a|| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Upper Shock absorber has negligible damping effect no damping in first 25% of travel (5.3.2 (b)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Front Lower Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing added as needed (4.8.2 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake disc contaminated |1.1.14 |b|| | 1 |
| All direction indicators incorrect colour all indicators faded close to white in colour (4.4.3 (a)) | 1 |
| Rear Position lamp showing white light to the rear lamp showing white light to rear (bulb faded/incorrect) (4.2.3 (a) (ii)) | 1 |
| Rear reflector missing No reflector fitted (4.8.2 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Brake disc|s| has excessive run out rear brake |3.2.A1m| | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Nearside Rear Motorcycle structure has a fracture which is likely to adversely affect braking or steering (6.1.1 (a) (ii)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Footrest missing pilion (6.2.12 (a)) | 1 |