| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Registration plate issues | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar switch gear loose unable to operate throttle correctly. (2.2.1 (d) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling rear wheel spacer missing (2.4 (a)) | 1 |
| Rear Wheel more than one fixing missing rear wheel spacer missing,causing dangerous ammont of movement in rear wheel (5.2.1 (a) (ii)) | 1 |
| Offside Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Motorcycle structure is so deformed it is likely to adversely affect braking or steering screen (6.1.1 (a) (ii)) | 1 |
| Nearside Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front suspension assembly component missing Head stock nut missing |2.3.1| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Registration plate lamp issues | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Shock absorber has negligible damping effect no rear damping (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate immediately a brake applies control 1 |1.3.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp dipped beam affected by the operation of another lamp dipped beam poor, no beam pattern on either light. |1.2.2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Handlebar grip insecure to handlebar switch gear loose , unable to operate throttle correctly (2.2.1 (d) (ii)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Fork yoke deformed |2.1.1b| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |