| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 14 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 11 |
| Headlamp aim out of alignment | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 8 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Fuel cap sealing washer missing |7.2.2c| | 5 |
| Registration plate issues | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Riders seat insecure |6.2.5 |a| |ii|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Centre Front Front suspension has severe distortion of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Centre Front Handlebar deformed |2.1.1b| | 1 |
| Nearside Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Nearside Locking devices not correctly fitted which may make the motor bicycle dangerous to ride bolt missing from engine frame |6.2.1h| | 1 |
| Offside Locking devices not correctly fitted which may make the motor bicycle dangerous to ride bolt missing from engine frame |6.2.1h| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Brake component worn and seriously reduced in strength FRONT PADS |3.2.A1| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Upper Motorcycle structure adversely modified rear top case too heavy and big causing flexing of the mounts |6.1.1b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Both |1.3.1a| | 1 |
| Nearside Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel rear brake lever has to much travel, adjusted up |3.1.3b| | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock brake hose |2.1.4 |b|| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Floor brake test indicates a severely juddering brake Brake disc warped. |3.3C2d.| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure air filter |6.1.1 |b| |i|| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Nearside Brake lever pivots excessively worn |3.1.3a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake cable damaged BROKEN (1.1.15 (a)) | 1 |
| Rear Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Brake lever has insufficient reserve travel l/h (1.1.2 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Nearside Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Fuel cap ineffective seal missing (6.1.3 (b) (i)) | 1 |
| Brake lever has insufficient reserve travel Front brake lever (1.1.2 (a)) | 1 |
| Brake lever has insufficient reserve travel Rear brake lever (1.1.2 (a)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |