| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Stop lamp remains on when the brakes are released | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Registration plate lamp issues | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Registration plate issues | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 2 |
| Central Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear reflector missing obstructed. (4.8.2 (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)) | 1 |
| Front Stop lamp not working Rear brake lever (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working side light (4.2.1 (a)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| All direction indicators not working 4 indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake performance not tested rear brake not working brake lever back to handlebar (1.2.1 (g)) | 1 |
| Riders seat insecure not locking down at rear (6.2.5 (a) (ii)) | 1 |
| Rear reflector missing obscured by L plate, added stick on reflector during test (prs) (4.8.2 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Horn not working horn switch is missing, horn is inoperative (7.7 (a)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake lever has restricted free movement rear brake arm seized (1.1.15 (e)) | 1 |
| Rear Rear reflector missing Obscured by rear "L" plate. (4.8.2 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Steering linkage component insecure to the motorcycle structure (2.1.3 (a) (i)) | 1 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment lever touching handle bar (1.1.15 (f)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake lever pivot excessively worn (1.1.1 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied only two fingers can be used (1.1.2 (d)) | 1 |
| Front Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear lever not activating bulb (4.3.2 (a) (iii)) | 1 |
| Rear reflector missing covered by L plate (4.8.2 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases exhaust to head (6.1.2 (a)) | 1 |
| Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Central Front Lower Motorcycle structure has excessive corrosion which adversely affects braking or steering Front Fork / Chassis Out of Alignment (6.1.1 (c) (ii)) | 1 |
| Headlamp aim unable to be tested head lamp unit mountings damaged (4.1.2 (b)) | 1 |