| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 64 |
| Registration plate issues | 28 |
| Registration plate lamp issues | 10 |
| Headlamp aim out of alignment | 10 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| 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)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Offside Front Footrest insecure (6.2.12 (a)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Handlebar restricted in free movement from lock to lock sat navi mount fouling on right lock (2.1.4 (c)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake hose connection leaking (1.1.12 (c)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp not working foot switch (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Direction indicator incorrect colour both (4.4.3 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Footrest missing Both (6.2.12 (a)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Handlebar excessively deformed handle bar is bent. (2.2.1 (c) (i)) | 1 |
| Headlamp aim not tested incorrect bulb fitment (4.1.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play head bearings badly knock when front brake is applied (2.2.2 (f) (i)) | 1 |
| Drive chain excessively tight chain has tight spots in it (6.1.7 (k) (i)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Does not illuminate on application of rear brake (4.3.2 (a) (iii)) | 1 |
| Rear Suspension component mounting modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected wheel spindle nut very loose and wheel spacer missing (5.2.1 (c) (ii)) | 1 |
| Rear Brake grabbing severely after market disc fitted has very little braking surface (1.2.1 (c)) | 1 |
| Outer Stop lamp not working on rear pedal (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Does not work using foot pedal (4.3.2 (a) (iii)) | 1 |
| Offside Rear Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition No baffle fitted to the silencer. (8.1.1 (a)) | 1 |
| Offside Rear Lower Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Outer Footrest insecure (6.2.12 (a)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear reflector missing Fit reflector (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing BOTH (6.2.12 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Central Front Forks in such a condition that steering control is adversely affected forks twisted (2.2.2 (d) (ii)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Nearside Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |