| Most common failures | No# failures |
|---|
| Stop lamp remains on when the brakes are released | 9 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Registration plate issues | 5 |
| Headlamp aim out of alignment | 5 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Motorcycle structure is deformed and structural rigidity is significantly reduced left hand rear view mirror (6.1.1 (a) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Exhaust silencer insecure heatshield broken away (8.1.1 (b) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure centre stand retaining spring broken away from fixing stand tie up in place (6.1.1 (b) (i)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure top box hinge broken (6.1.1 (b) (i)) | 1 |
| Nearside Rear Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Throttle operating incorrectly Heated grip preventing free movement and full operation (6.2.7 (a) (i)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swing Arm / Engine mount (5.3.4 (a) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator not working wiring damaged circuit not completing (4.4.1 (a) (ii)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort rear disc bent. (1.2.1 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Front Valve stem seriously damaged Perished (5.2.3 (j)) | 1 |
| Handlebar grip insecure to handlebar L/H hot grip loose (2.2.1 (d) (ii)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Shock absorber has negligible damping effect Both (5.3.2 (b)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock hand guards restrict on both full locks (2.1.4 (b)) | 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 Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Front All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Horn not working HORN NOT WORKING (7.7 (a)) | 1 |