| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 28 |
| Headlamp aim out of alignment | 22 |
| Registration plate issues | 20 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Registration plate lamp issues | 5 |
| Horn not working |1.7.3a| | 5 |
| Drive chain excessively tight |6.2.1d| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear reflector on sidecar missing |1.4.1| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Offside Front Engine mounting/bracket missing engine mounting bolt missing (6.1.8 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Nearside Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (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 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies control one |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 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 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Central Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts not secure |3.2.B2c| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 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 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Direction indicators not working all 4 bulbs are slightly on constantly |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear pedal |1.3.1a| | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front An item not tested |Manual| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |