| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 28 |
| Registration plate issues | 22 |
| Headlamp aim out of alignment | 16 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear 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 |
| Registration plate lamp issues | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Rear reflector missing FITTED DURING TEST (4.8.2 (a) (ii)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Brake reaction bracket insecure |3.2.A1j| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Suspension component attachment bracket/mounting damaged and seriously weakened rear axle cracked (5.3.3 (b) (i)) | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition no baffle fitted |7.1.2| | 1 |
| Headlamp light source and lamp not compatible HID bulbs fitted with no levelling system |4.1.4 |c|| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake performance not tested rear pads missing (1.2.1 (g)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |