| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Registration plate lamp issues | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp not working stop lamp inop |4.3.1 |a| |ii|| | 1 |
| Rear reflector missing rear reflector is missing |4.8.2 |a| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Brake cylinder excessively weakened by corrosion (1.1.16 (d) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake cylinder insecure (1.1.16 (c) (i)) | 1 |
| Brake hose damaged | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Shock absorber has a serious fluid leak fork seals |5.3.2 |b|| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear All position lamps do not illuminate immediately when switched on Also number plate light |1.1.3a| | 1 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Central Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Steering linkage component deformed to the extent that steering is affected |2.1.3 |c| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Front Roller brake test indicates a severely juddering brake Roller tester indicates server fluctuation. |3.3.A1b| | 1 |
| Nearside Rear Footrest missing L/H pillion footrest missing. |6.2.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Fuel system component leaking Engine oil leaking onto rear tire. |7.2.1a| | 1 |
| Rear Rear reflector on motorcycle obscured obscured by L plate |1.4.2b| | 1 |
| Offside Exhaust excessively deteriorated blowing and corroded |7.1.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |