| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Registration plate issues | 4 |
| Rear Drive chain excessively loose |6.2.1d| | 4 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Steering headbearing has excessive free play Very loose |2.2.2| | 1 |
| Horn not working |1.7.3a| | 1 |
| Throttle operating incorrectly loose on handlebar |6.2.1f| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| An item not tested |Manual| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Plate brake test indicates a severely grabbing brake |3.3.B1b| | 1 |
| Vehicle identification number not legible |6.3.5a| | 1 |
| Front Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Offside Rear Direction indicator not working O/S/R indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working front position lamp not working (4.2.1 (a)) | 1 |
| Steering headbearing has excessive wear or free play Excessive free play in headstock bearings (2.2.2 (f) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |