| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Registration plate issues | 5 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Chain guard insecure (6.1.7 (i)) | 2 |
| Fuel tank insecure |6.1.3 |a| |i|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Brake locking device missing rear brake stay |3.2.A1e| | 1 |
| Rear suspension component loose swinging arm nut |2.4.A.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Brake locking device missing Split pin missing from pivot pin. |3.2.A1e| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Floor brake test indicates a severely juddering brake |3.3C2d.| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Brake pedal has inadequate reserve travel cable has incorrect end securing unit ,choke cable type nipple fitted |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Central Rear Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front Position lamp missing |4.2.1 |a|| | 1 |
| Offside Front Position lamp missing |4.2.1 |a|| | 1 |
| Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting offside front foot well |6.2.2 |d| |i|| | 1 |
| Fuel cap/sealing device ineffective |6.1.3 |b| |i|| | 1 |
| Exhaust emissions likely to be affected by an exhaust leak |8.2.1.1 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Central Front Lower Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Stop lamp not working When operating front or rear brake levers (4.3.1 (a) (ii)) | 1 |
| Front Position lamp missing Bulb missing from holder (4.2.1 (a)) | 1 |
| Direction indicator light intensity significantly reduced ALL INDICATORS DIM (4.4.3 (a)) | 1 |
| Central Rear Motorcycle structure joining/attachment plate or fastening insecure Swing arm loose (6.1.1 (b) (i)) | 1 |
| Rear Wheel more than one fixing missing Split pin missing on rear spindle nut (5.2.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Steering operation restricted in free movement from lock to lock Revving when handlebars are turned to right (2.1.4 (c)) | 1 |
| Front Wheel fixing missing (multiple fixings) split pin (5.2.1 (a) (i)) | 1 |
| Rear Wheel fixing missing (multiple fixings) split pin (5.2.1 (a) (i)) | 1 |
| Stop lamp not working Front brake stop lamp inoperative (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Lower Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Front Steering operation fouling on the fuel tank or bodywork on full lock Offside Switch Catching (2.1.4 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Direction indicator adversely affected by the operation of another lamp indicators stay on when brake is operated (4.4.3 (b)) | 1 |
| Offside Direction indicator adversely affected by the operation of another lamp indicators stay on when brake is operated (4.4.3 (b)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Stop lamp not working Not operating from front brake (4.3.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Steering linkage locking device missing spindal nut (2.1.3 (d)) | 1 |
| Rear Steering linkage locking device missing reaction bracket nuts (2.1.3 (d)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust has a major leak of exhaust gases both tailpipes (6.1.2 (a)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Handlebar grip insecure to handlebar Both (2.2.1 (d) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |