| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear reflector on motorcycle obscured |1.4.1| | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Riders seat insecure |6.2.1a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Headlamp aim headlamp damaged and function impaired no patten on dip |1.2.3a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Riders seat insecure does not lock (6.2.5 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play Knocking back and forth (2.2.2 (f) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Steering headbearing in such a condition that steering control is adversely affected excessivily loose (2.2.2 (f) (ii)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Position lamp not working both |4.2.1 |a|| | 1 |
| Rear Shock absorber has negligible damping effect both |5.3.2 |b|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies control one |1.3.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. both sides |2.3.6b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bearing has excessive free play Front engine mounting frame pivot |2.4.A2a|i|| | 1 |
| Central Front Shock absorber missing (5.3.2 (a) (ii)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface covered by l plate (4.8.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Centre Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear reflector on sidecar obscured |1.4.2b| | 1 |
| Registration plate lamp issues | 1 |
| Registration plate issues | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |