| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Registration plate issues | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Offside Footrest insecure |6.2.1a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake rod insecure split pin missing from rear torquearm fixing (1.1.15 (c)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Stop lamp not working controll 1 (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working controll 1 (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 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 spoke cracked. |4.2.1b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp insecure loose on mounting bolts |1.2.3b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake back plate|s| insecure |3.2.A1j| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride split link horseshoe clip missing |6.2.1h| | 1 |
| Stop lamp not working rear lever switch (4.3.1 (a) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Front mudguard can easily contact the wheel |2.3.7| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Stop lamp not working front brake lever |4.3.1 |a| |ii|| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working hand control and foot control (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Wheel hub worn to the extent that wheel security is adversely affected split pin missing from castle nut |5.2.1 |b| |ii|| | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Rear Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |