| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 42 |
| Registration plate issues | 33 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| 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| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 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 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp|s| not working foot brake |4.3.1 |a| |ii|| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Front Upper Horn not working |1.7.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Direction indicator not working both front and rear indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Exhaust silencer likely to become detached cracked (8.1.1 (b) (ii)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Brake pipe excessively corroded | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Rear Wheel spoke cracked (5.2.2 (d)) | 1 |
| Front Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Centre Rear Lower Rear suspension bearing has excessive free play swingarm bearings excessive play |2.4.A2a|i|| | 1 |
| Rear Brake rod insecure (1.1.15 (c)) | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Headlamp aim projected beam image obviously incorrect way too high (4.1.2 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect Bulb not fitted correctly (4.1.2 (c)) | 1 |
| Brake pedal pivot has excessive free play Broken (1.1.1 (b)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |