| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 40 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Registration plate issues | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Front wheel bearings are excessively rough (2.3.5b) | 1 |
| Rear Rear shock absorber has inadequate damping effect. (2.4.A.3b) | 1 |
| Front suspension has inadequate damping effect. (2.3.6c) | 1 |
| Front Lower Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Front Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Front 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 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Valve stem seriously damaged split (5.2.3 (j)) | 1 |
| Central Front Headlamp not working on main beam Changed Bulb (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc insecure bolt missing (1.1.14 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Stiff in operation. will not return . (6.2.7 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain excessively loose (6.2.1d) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Brake servo defective or ineffective abs pump not working (1.1.10 (a) (i)) | 1 |
| All direction indicators incorrect colour all indicators (4.4.3 (a)) | 1 |
| Rear Shock absorber has negligible damping effect negligible damping on shock return/rebound - PRS - adjust external pre-load control (5.3.2 (b)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Brake servo inoperative ABS LIOGHT STAYS ON (1.1.10 (a) (ii)) | 1 |
| Front Brake servo inoperative diagnostic tool used to clear fault and road tested. (1.1.10 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect high beam (4.1.2 (c)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working BULB (4.3.1 (a) (ii)) | 1 |
| Fuel cap ineffective doesnt lock (6.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Rear Direction indicator incorrect colour both (4.4.3 (a)) | 1 |
| Central Rear Brake indicates excessive fluctuation of brake effort rear disc shows excessive fluctuation on brake tester (25kg) (1.2.1 (e)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Rear Brake caliper inadequately mounted 1 of the 2 mounting bolts is loose with damaged thread on caliper. (1.1.16 (c) (i)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Lower Engine mounting/bracket bracket excessively loose bolts missing ,subframes loose and moving (6.1.8 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |