| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| 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 |
| Rear reflector on motorcycle missing |1.4.1| | 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 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Brake pivot excessively corroded notchy to excess (1.1.15 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Headlamp not working on main beam engine non start |4.1.1 |a| |ii|| | 1 |
| Position lamp not working non running engine |4.2.1 |a|| | 1 |
| Exhaust has a major leak of exhaust gases Silencer badly corroded and holed. (6.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy Stiff and notchy when riding. (2.2.2 (f) (i)) | 1 |
| Stop lamp not working Front brake lever (4.3.1 (a) (ii)) | 1 |
| Decelerometer brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front Steering lock stop maladjusted restricted movement right hand turn |2.1.3| | 1 |
| Lower Engine mounting/bracket fractured (6.1.8 (a) (ii)) | 1 |
| Rear Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Headlamp aim beam image kick up to the offside Masked headlamp lens to correct beam image. |1.6| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Direction indicator obscured |1.5.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment Spline fitment (1.1.15 (f)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded intermittently locks front wheel |3.2.A1h| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking stand |6.1.1c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp not working from front control |4.3.1 |a| |ii|| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp not working Front brake light switch not working |4.3.1 |a| |ii|| | 1 |
| Throttle operating incorrectly Throttle sticking, and revs rise on steering lock |6.2.7 |a| |i|| | 1 |
| Central Front Valve stem seriously damaged broken off (5.2.3 (j)) | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Stop lamp not working off right hand brake lever |4.3.1 |a| |ii|| | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |