| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate issues | 12 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 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| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Brake hose damaged | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Nearside Direction indicators not working |1.5.1c| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Wheel alignment incorrect which adversely affects the handling too far right. Adjust rear wheel left side forward |2.4 |a|| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Upper Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp not working both (4.3.1 (a) (ii)) | 1 |
| Brake component modification unsafe rear caliper mount catching rear brake line filed corner for clearance (1.1.21 (d) (i)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |