| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Registration plate lamp issues | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Direction indicators flashing more than 120 times per minute All Indicators Flashing too Quick |1.5.1c| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear reflector on motorcycle dirty and function impaired |1.4.2a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn 3.85 3.68 (1.1.14 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies Switch |1.3.1a| | 1 |
| Handlebar grip insecure to handlebar left hand side |2.2.1 |d| |ii|| | 1 |
| Offside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Front Brake component insecure pad retaining bolt loose (1.1.21 (c)) | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear reflector on motorcycle missing was using reflective tape |1.4.1| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear reflector missing replace |4.8.2 |a| |ii|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear reflector on sidecar incorrectly positioned |1.4.2d| | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Front Upper Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |