| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 79 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 28 |
| Registration plate issues | 18 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 16 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 15 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 11 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 7 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 5 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| 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 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Nearside Front Brake disc|s| insecure |3.2.A1g| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Brake hose excessively deteriorated | 3 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Front suspension assembly component loose |2.3.1| | 2 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 2 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Rear Seat insecure |6.2.1a| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |