| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 18 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Fuel pipe leaking |7.2.1a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Registration plate issues | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Nearside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Centre front brake binding |3.7.B.1| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Central Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Central All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Central Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake pipe union leaking fluid |3.2.B4| | 1 |
| Nearside Rear Lower Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Upper Horn control not functioning. |1.7.2b| | 1 |
| Nearside Lower Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Centre Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Nearside Front Brake component insecure |1.1.21 |c|| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Exhaust has part of the system missing |7.1.1a| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Headlamp aim not tested |1.6| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 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 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear Motorcycle structure adversely modified |6.1.1b| | 1 |
| Front Motorcycle structure adversely modified |6.1.1b| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear An item not tested |Manual| | 1 |
| Nearside Motorcycle structure adversely modified |6.1.1b| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |