| Most common failures | No# failures |
|---|
| Registration plate issues | 40 |
| Headlamp aim out of alignment | 32 |
| Rear reflector on motorcycle missing |1.4.1| | 13 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Horn not working |1.7.3a| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Rear 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 |
| Stop lamp remains on when the brakes are released | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 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 Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake pedal attachment screws missing. |3.1.2b| | 1 |
| Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Direction indicators not working n/s+o/s |1.5.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on number plate light missing |1.1.3a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Upper 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 Lower 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 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Centre Rear Stop lamp insecure |1.3.3b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning |4.4.1 |a| |ii|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Shock absorber has a serious fluid leak front right fork seal |5.3.2 |b|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Rear Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Rear Wheel fixing missing |single fixing| |5.2.1 |a| |ii|| | 1 |
| Nearside Rear Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear wheel bearings have excessive free play (2.4.A.2c) | 1 |
| Drive belt excessively loose. (6.2.1d) | 1 |
| Fuel system component insecure fuel tap hose clip missing (7.2.1b) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swing arm bearings worn (5.3.4 (a) (i)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |