| Most common failures | No# failures |
|---|
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 6 |
| Registration plate issues | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp aim out of alignment | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Centre Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Centre Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake caliper|s| securing bolt|s| loose disc pad retaining bolts |3.2.A1j| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Rear reflector on motorcycle damaged and function impaired |1.4.2a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake component is severely distorted |3.1.5| | 1 |
| Offside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |