| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Registration plate issues | 8 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Front wheel spindle loose |2.3.3a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Registration plate lamp issues | 1 |
| Front wheel spindle securing nut|s| loose |2.3.3a| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Offside Front Brake locking device missing |3.2.A1e| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake component is fractured |3.1.5| | 1 |
| Brake servo defective or ineffective |1.1.10 |a| |i|| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Headlamp aim headlamp damaged and function impaired main beam bad image. bulb not fitted in holder |1.2.3a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Inner Rear Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Front Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Steering damper in such a condition that the steering action is impaired. |2.1.2d| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |