| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 36 |
| Registration plate issues | 23 |
| Rear reflector missing (4.8.2 (a) (ii)) | 15 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Rear reflector missing |4.8.2 |a| |ii|| | 8 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 4 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| 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 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Registration plate lamp issues | 2 |
| 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|| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Direction indicator flashing more than 120 times per minute all |1.5.1c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Central Front Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Central Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp not working foot brake (4.3.1 (a) (ii)) | 1 |
| Nearside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Offside Front Lower Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Central Front Upper Direction indicator obviously incorrectly positioned indicator separation distance under 240mm |4.4.3 |a|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Front Upper Handlebar restricted in free movement from lock to lock mirror loose (2.1.4 (c)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Lower Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Upper Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Brake excessively binding Rear brake (1.2.1 (f)) | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Footrest missing Pillion (6.2.12 (a)) | 1 |
| Throttle operating incorrectly no return (6.2.7 (a) (i)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Front All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Stop lamp not working brake switch (4.3.1 (a) (ii)) | 1 |
| Front Upper Brake hose connection leaking (1.1.12 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Incorrectly spaced, must be separated by a minimum of 180mm (4.4.3 (a)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake light switch faulty (4.3.2 (a) (iii)) | 1 |