| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Registration plate issues | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear Wheel damaged significantly reducing the original strength |4.2.1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front mudguard insecure |2.3.7| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front wheel spindle loose |2.3.3a| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Fairings insecure and likely to impede the steering Mudguard |2.1.2e| | 1 |
| Throttle operating incorrectly Sticking |6.2.1f| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort Front pad fitment incorrect |3.3.A1d| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Headlamp switch insecure |1.2.4| | 1 |
| Lower Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Stop lamp not working control 2 (4.3.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp indicators (4.3.3 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |