| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Nearside Front Direction indicators not working |1.5.1c| | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 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 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake pedal mounting insecure |3.1.2a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| An item not tested |Manual| | 1 |
| Offside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |