| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate lamp issues | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 2 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Registration plate issues | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Headlamp aim not tested no dip beam. (4.1.2 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Brake lever so insecure that the brake cannot be readily applied |1.1.2 |e| |ii|| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Brake drum significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Road spring corroded so that its cross sectional area is reduced and seriously weakened (5.3.1 (b) (i)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Rear Brake cable excessively corroded (1.1.15 (b)) | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Front Brake lever pivot excessively worn rear brake lever (1.1.1 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Engine mounting/bracket bracket fractured (6.1.8 (a) (ii)) | 1 |
| Engine mounting/bracket fractured (6.1.8 (a) (ii)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel Excessive reserve travel (1.1.2 (a)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Rear reflector missing obscured (4.8.2 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering Centre stand seized not fully returning to rest position / fouling road surface |6.1.1 |a| |ii|| | 1 |
| Nearside Front Brake lever has insufficient reserve travel Brake lever operating rear brake has excessive travel |1.1.2 |a|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |