| Most common failures | No# failures |
|---|
| Registration plate issues | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Registration plate lamp issues | 4 |
| Headlamp aim out of alignment | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Footrest insecure right hand riders |6.2.1a| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play notchy centre position |2.2.2 |f| |i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Rear Brake pedal attachment screws loose (3.1.2b) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Rear Wheel more than one fixing missing (5.2.1 (a) (ii)) | 1 |
| Outer Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Handlebar handgrip not secure to handlebars. both sides |2.1.1c| | 1 |
| Front Wheel excessively distorted both sides excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake disc contaminated |1.1.14 |b|| | 1 |
| Suspension component pin or bush excessively worn All rear suspension bushes, upper shock and lower shock. |5.3.4 |a| |i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp not working and rear (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort warped disc (1.2.1 (e)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Central Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Central Front Horn not working |7.7 |a| |ii|| | 1 |
| Rear Stop lamp not working when hand lever applied (4.3.1 (a) (ii)) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Offside Front Footrest insecure mounting fractured |6.2.1a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |