| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Registration plate issues | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Suspension component modified so the suspension is inoperative |5.3.3 |c| |ii|| | 1 |
| Brake excessively binding |1.2.1 |f|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Brake hose damaged | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp not working Whenfront brake applied. (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Fuel hose leaking By filter. (6.1.3 (b) (i)) | 1 |
| Rear Upper Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Front Suspension component modified so the suspension is inoperative |5.3.3 |c| |ii|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust silencer likely to become detached exhaust mounting bolts missing (8.1.1 (b) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Stop lamp not working rear brake switch (4.3.1 (a) (ii)) | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Brake lever has inadequate reserve travel Rear |3.1.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Front Brake hose fouling attachment missing |3.2.B3b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Lower Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Centre Rear Upper Riders seat insecure |6.2.1a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |