| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 26 |
| Registration plate issues | 13 |
| Registration plate lamp issues | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Brake component modification unsafe Rear disc diameter (1.1.21 (d) (i)) | 1 |
| Offside Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Central Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp not working not connected (4.3.1 (a) (ii)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced number plate and rear lamp holder held secure with cable ties (6.1.1 (b) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached soft link incorrectly fitted (6.1.7 (j) (ii)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Nearside Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| All direction indicators obviously incorrectly positioned Combined indicator tail lamp units do not have the reqired distance between indicators (4.4.3 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Shock absorber has an excessively worn bush lower (5.3.2 (c)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess no adjustment left (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Fuel cap ineffective seal missing (6.1.3 (b) (i)) | 1 |
| Brake caliper inadequately mounted rear caliper not mounted into swingarm (1.1.16 (c) (i)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort FRONT DISC BRAKE WARPED (1.2.1 (e)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling In excess of 20mm measured at front wheel (2.4 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort approx 30 KgF of fluctuation (1.2.1 (e)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear brake switch not working (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced front engine mountings missing, frame flexing under braking (6.1.1 (b) (ii)) | 1 |
| Central Front Lower Brake excessively binding Front Brakes Binding (1.2.1 (f)) | 1 |
| Central Front Shock absorber has a serious fluid leak Both Front Forks Leaking Oil Into The Braking Aera (5.3.2 (b)) | 1 |
| Offside Front All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |