| Most common failures | No# failures |
|---|
| Registration plate issues | 26 |
| Headlamp aim out of alignment | 21 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Registration plate lamp issues | 4 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| 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| | 3 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear 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 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Footrest missing Both |6.2.1a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |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 |
| Offside Front Brake pipe connection leaking Solid line ruptured during BRT. (1.1.11 (b)) | 1 |
| Brake performance not tested Unable to complete BRT on rear brake due to brake pipe failure during test. (1.2.1 (g)) | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front 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 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Drive belt sprocket worn to excess |6.2.1e| | 1 |
| Drive belt worn to excess |6.2.1e| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Stop lamp does not emit a steady light both |1.3.1b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Offside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |