| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Fuel cap sealing washer missing |7.2.2c| | 3 |
| Registration plate issues | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Brake cable has a significantly damaged outer casing. |3.2.A1b| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Direction indicators not working |1.5.1c| | 2 |
| Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Riders seat insecure |6.2.1a| | 2 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Nearside Rear Direction indicator missing |1.5.1a| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Offside Steering lock stop ineffective |2.1.3| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Leg shield insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Front Brake drum|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake pivot has restricted free movement (1.1.15 (e)) | 1 |
| Front Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure VARIOUS PANLES (6.1.1 (b) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Offside Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Brake lever mounting cracked |3.1.2c| | 1 |
| Front Steering lock stop missing |2.1.3| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front An item not tested |Manual| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Rear Brake cable excessively corroded |3.2.A1b| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Rear Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| An item not tested |Manual| | 1 |
| Rear Position lamp switch faulty |1.1.4a| | 1 |
| Nearside Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Offside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Centre Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Centre Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Front Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Front Riders seat insecure |6.2.1a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Brake lever mounting cracked |3.1.2c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake locking device insecure |3.2.A1e| | 1 |
| Front Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Brake cable badly frayed |3.2.A1b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Brake cable badly frayed |3.2.A1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |