| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 26 |
| Headlamp aim out of alignment | 26 |
| Registration plate issues | 17 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| 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| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Registration plate lamp issues | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Footrest missing |6.2.1a| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Rear Upper Direction indicator not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Rear Rear suspension component loose lock nut loose |2.4.A.1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Horn missing |1.7.1| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Fuel hose leaking |7.2.1a| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (1.5.1c) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Stop lamp affected by the operation of another lamp (1.3.2) | 1 |
| Rear position lamp adversely affected by the operation of another lamp (1.1.3b) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 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 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Fuel system component leaking carburettor (6.1.3 (b) (i)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Direction indicator incorrect colour both showing white light (4.4.3 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |