| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Headlamp aim out of alignment | 9 |
| Registration plate issues | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Horn not working |1.7.3a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| 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| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Footrest insecure |6.2.1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Direction indicators not working does not work everytime switch operated |1.5.1c| | 1 |
| Throttle operating incorrectly throttle sticking slightly when bars turned to the left |6.2.1f| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Lower Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Front Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Nearside Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Offside Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Rear Lower Suspension arm attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front An item not tested |Manual| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Offside Front Upper Handlebar deformed |2.1.1b| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Footrest missing |6.2.1a| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |