| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 17 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 10 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 9 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 8 |
| Registration plate issues | 7 |
| Registration plate lamp issues | 6 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Horn not working (7.7 (a)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 3 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Wheel bearing has excessive play Rear wheel bearings knocking. (5.1.3 (a) (i)) | 1 |
| Drive chain so worn it is likely to fail Big tight spot in worn chain, rear sprocket visibly worn.. (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Central Rear Lower Wheel bearing has excessive play Rear wheel bearing has play (5.1.3 (a) (i)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Wheel hub excessively worn Wheel bearings knocking (5.2.1 (b) (i)) | 1 |
| Central Rear Wheel alignment incorrect which adversely affects the handling wheel alignment out (2.4 (a)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle tube sticking (6.2.7 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake lever pivot excessively tight rear brake leaver tight (1.1.1 (a)) | 1 |
| Stop lamp not working rear brake light inop (4.3.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear brake switch not operating. (4.3.2 (a) (iii)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling over 15mm measured at front wheel (2.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Offside Front Upper Throttle operating incorrectly throttle sticky due to overtightened cable - loosened off to correct (6.2.7 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort disc warped (1.2.1 (e)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Oil leaking and rust pitting to fork tube (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak front fork seal leaking oil (5.3.2 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock Right Hand Guard Hitting Clocks (2.1.4 (b)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort when on brake tester rear brake has a judder (1.2.1 (e)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Wheel bearing has excessive play rear wheel bearings (5.1.3 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel bearing has excessive play Rough (5.1.3 (a) (i)) | 1 |
| Offside Brake pedal insecure Brake pedal linkage cotter pin missing (1.1.2 (e) (i)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |