| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp remains on when the brakes are released | 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 suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| 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 Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Rear position lamp adversely affected by the operation of another lamp when headlight is turned on |1.1.3b| | 1 |
| Central Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear wheel rotation likely to be impeded on wires for rear lights |6.2.1b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front suspension assembly component loose |2.3.1| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Upper Steering linkage has excessive free play |2.2.2| | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Front Steering operation impeded by a fairing Front steering lock stop non functional mudguard hits the fairing on lock check (2.1.4 (e)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake lever mounting insecure |3.1.2a| | 1 |
| Central Front Lower Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Indicator switch does not operate the direction indicators on the side selected r/h indicators |1.5.4| | 1 |
| Brake lever has inadequate reserve travel rear |3.1.3b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Offside Rear Lower Engine mounting/bracket bracket excessively loose bolt missing (6.1.8 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component front lower pivot |2.3.4| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Upper Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |