| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Handlebar deformed |2.1.1b| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Inner Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear wheel bearings are excessively tight |2.4.A.2c| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Front shock absorber seal failed and leaking oil n/s and o/s |2.3.3| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 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 |
| An item not tested |Manual| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Offside 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 suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Vehicle identification number has more than one different number displayed vin number does not match the bike we need to see the V5 |6.3.5b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |