| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Registration plate lamp issues | 4 |
| Registration plate issues | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has negligible damping effect folk (5.3.2 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (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 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Front Stop lamp not working control (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel control (1.1.2 (a)) | 1 |
| Central Rear Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Lower Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Brake cable excessively worn (1.1.15 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has negligible damping effect folk (5.3.2 (b)) | 1 |
| Rear Brake lever has insufficient reserve travel lever pulls back to bar with brake not reaching full efficiency, adjustment required (1.1.2 (a)) | 1 |
| Stop lamp not working from rear control (4.3.1 (a) (ii)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Lower Exhaust has a major leak of exhaust gases Exhaust header is cracked/fractured - blowing excessively (6.1.2 (a)) | 1 |
| Brake lever has insufficient reserve travel rear brake control (1.1.2 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn distorted (1.1.14 (a) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake excessively binding STICKING ON (1.2.1 (f)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Lower Exhaust has a major leak of exhaust gases Exhaust has hole around Lambeth Sensor (6.1.2 (a)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Horn not working horn not working (7.7 (a)) | 1 |
| Front Brake excessively binding front brake bind (1.2.1 (f)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort rear brake bind (1.2.1 (e)) | 1 |