| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Headlamp aim out of alignment | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Stop lamp remains on when the brake is released |1.3.1e| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Registration plate issues | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Rear wheel insecure |4.2.3b| | 2 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| 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| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| Front Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| is excessively distorted Front disc warped |3.2.A1m| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp main beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Offside Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |