| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Headlamp aim out of alignment | 5 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 5 |
| Registration plate issues | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Handlebar deformed |2.1.1b| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Rear Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front Suspension component mounting modified so the suspension is inoperative |5.3.3 |c| |ii|| | 1 |
| Front An item not tested |Manual| | 1 |
| Rear An item not tested |Manual| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 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 |
| Headlamp aim not tested |1.6| | 1 |
| Centre Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Brake cylinder severely damaged |3.2.B1b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Steering lock stop ineffective traping wiring onright lock |2.1.3| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Offside Steering operation restricted in free movement from lock to lock Electrical and throttle cables (2.1.4 (c)) | 1 |
| Stop lamp not working Both brakes (4.3.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced Both beams (4.1.4 (a)) | 1 |
| All position lamps light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected Lever can stick in the off position (1.1.2 (b) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Indicator switch insecure |1.5.4| | 1 |
| Rear Brake pedal mounting insecure |3.1.2a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Shock absorber has an excessively worn bush Shock body touching frame (5.3.2 (c)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Brake hose damaged | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |