| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Horn not working |1.7.3a| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Registration plate issues | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Brake locking device missing |3.2.A1e| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| 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| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Registration plate lamp issues | 1 |
| Headlamp lens seriously defective LHD unit fitted (4.1.1 (b) (ii)) | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 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 |
| Central Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Central Horn not working (7.7 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 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 Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front Headlamp aim not tested |1.6| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| An item not tested |Manual| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Brake locking device missing rear split pin |3.2.A1e| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Central Front Upper Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake back plate insecure (1.1.14 (d)) | 1 |