| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 11 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 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 excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 3 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Nearside Direction indicators flashing more than 120 times per minute (1.5.1c) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Exhaust is leaking and excessively noisey Front pipe insecure and blowing |7.1.1b| | 1 |
| Front shock absorber seal failed and leaking oil right fork seal leaking |2.3.3| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front 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 disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Central Horn not working |7.7 |a| |ii|| | 1 |
| Rear All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Centre Rear Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Drive belt excessively loose. |6.2.1d| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Centre Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Throttle operating incorrectly does not return on own |6.2.1f| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Brake pipe excessively damaged |3.2.B2a| | 1 |
| Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies front + rear (1.3.1a) | 1 |
| Steering movement excessively notchy with the wheel raised (2.2.1b) | 1 |
| Nearside Rear Footrest missing (6.2.1a) | 1 |
| Offside Rear Footrest missing (6.2.1a) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |