| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 26 |
| Rear reflector on motorcycle missing |1.4.1| | 22 |
| Registration plate issues | 18 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working |1.7.3a| | 2 |
| Brake performance not tested |3.3| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Throttle operating incorrectly sticking on right lock |6.2.7 |a| |i|| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Rear reflector on motorcycle missing (1.4.1) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear All direction indicators missing (4.4.1 (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 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Central Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 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 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Centre Front Upper Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Centre Front Lower Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Shock absorber has negligible damping effect to stiff |5.3.2 |b|| | 1 |
| Offside Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Offside Front Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Offside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on (1.1.3a) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition (7.1.2) | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Lower Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Lower Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Direction indicators not working |1.5.1c| | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |