| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 72 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 22 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 20 |
| Headlamp aim out of alignment | 19 |
| Registration plate lamp issues | 15 |
| Registration plate issues | 13 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 8 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 6 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 6 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Offside Rear Footrest missing (6.2.12 (a)) | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| 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)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Direction indicator not working N/S front and rear (4.4.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - new one fitted (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen dip (4.1.2 (a)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Rear reflector missing Reflector hidden behind "L" plate (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam Light up but goes out after short period of time (4.1.1 (a) (ii)) | 1 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Central Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Need to be a minimum of 180mm between lights (4.4.3 (a)) | 1 |
| Drive chain excessively tight, so that it is likely to fail unable to fully test wheel bearings or rear wheel rotation (6.1.7 (k) (ii)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied pedal has no stop locator> making pedal insecure and could fail at any time! (1.1.2 (d)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Footrest missing Both rear footpegs missing. (6.2.12 (a)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Engine mounting/bracket fractured (6.1.8 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Steering linkage locking device ineffective stop lock (2.1.3 (d)) | 1 |
| Front Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Rear Exhaust system insecure silencer bracket (6.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Rear indicators positioned to close together (140mm). (4.4.3 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake lever has insufficient reserve travel LEVER HITS SWITCHES (1.1.2 (a)) | 1 |
| Offside Lower Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Stop lamp not working brake lever (4.3.1 (a) (ii)) | 1 |
| Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |