| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Front Brake excessively binding (1.2.1 (f)) | 11 |
| Headlamp aim out of alignment | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Registration plate issues | 2 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected Notchy |2.2.2 |f| |ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Handlebar handgrip not secure to handlebars. Throttle |2.1.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Brake performance not tested brakes leaking (1.2.1 (g)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Central Front Upper Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake grabbing severely Front brake calipers are corroded |1.2.1 |c|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Riders seat insecure o/s pivot bolt loose, seat not secure (6.2.5 (a) (ii)) | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Rear Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |