| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 7 |
| Rear Position lamp not working (4.2.1 (a)) | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Headlamp aim out of alignment | 4 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Registration plate issues | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Headlamp insecure |4.1.1 |c|| | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Rear Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working not working of front brake (4.3.1 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Steering headbearing has excessive wear or free play Excessive free play in headstock bearings (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive wear or free play notchy |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp not working Rear Control (4.3.1 (a) (ii)) | 1 |
| Central Front Upper Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp not working from rear brake |4.3.1 |a| |ii|| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Stop lamp not working Brake light not working from both controls |4.3.1 |a| |ii|| | 1 |
| Headlamp light intensity severely reduced dip beam |4.1.4 |a|| | 1 |
| Shock absorber has a serious fluid leak Both front (5.3.2 (b)) | 1 |
| Rear reflector missing rear missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake caliper insecure Mounting bolt loose |1.1.16 |c| |i|| | 1 |
| Front Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Front Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Rear Position lamp light intensity significantly reduced reflector sprayed black |4.2.3 |a| |ii|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Steering operation impeded by a fairing Front fairing loose and could fall into front wheel or foul steering operation. (2.1.4 (e)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Rear Stop lamp not working rear brake light switch |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Riders seat with a defective supporting structure |6.2.5 |a| |i|| | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |