| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Registration plate issues | 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 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 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 |
| Offside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Central Front Upper Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle operating incorrectly revs holding (6.2.7 (a) (i)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Outer Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp both front indicators illuminate together |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Front Direction indicator affected by the operation of another lamp both front indicators illuminate together |1.5.1c| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |