| Most common failures | No# failures |
|---|
| Stop lamp remains on when the brakes are released | 11 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 11 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 10 |
| Headlamp aim out of alignment | 8 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Registration plate lamp issues | 6 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Offside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Drive chain excessively loose chain has been adjusted. (6.1.7 (c) (i)) | 1 |
| Front Stop lamp not working front brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake stop light (4.3.2 (a) (iii)) | 1 |
| Brake has no recorded effort at a wheel rear brake (1.2.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak l/h fork seal (5.3.2 (b)) | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Registration plate issues | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Suspension component pin or bush excessively worn swingarm bush (5.3.4 (a) (i)) | 1 |
| Offside Suspension component pin or bush excessively worn swingarm bush (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear brake switch inoperative (4.3.2 (a) (iii)) | 1 |
| Suspension component pin or bush excessively worn Excessive play in swing arm / frame mount (5.3.4 (a) (i)) | 1 |
| Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected chain adjuster loose (5.2.1 (c) (ii)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied brake lever stop broken. (1.1.2 (d)) | 1 |
| Front Position lamp not working side light (4.2.1 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm bushes worn (5.3.4 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy stiff and notchy (2.2.2 (f) (i)) | 1 |
| Suspension component pin or bush excessively worn play in rear swingarm bushes (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Stop lamp not working from rear control /switch faulty (4.3.1 (a) (ii)) | 1 |
| Stop lamp switch with a delay in operation stop lamp flashing off and on when rear brake is applied. (4.3.2 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls lever (4.3.2 (a) (iii)) | 1 |
| Footrest missing (6.2.12 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush both shocks (5.3.2 (c)) | 1 |
| Central Lower Suspension arm pin or bush excessively worn Swing arm bush is loose or worn (5.3.4 (a) (i)) | 1 |
| Offside Front Brake lever so insecure that the brake cannot be readily applied broken (1.1.2 (e) (ii)) | 1 |
| Central Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Central Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Nearside Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Shock absorber has an excessively worn bush both sides (5.3.2 (c)) | 1 |
| Rear Suspension arm ball joint excessively worn swing arm bushes (5.3.4 (a) (i)) | 1 |
| Offside Rear Stop lamp not working rear foot pedal no brake light (4.3.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Stop lamp not working with rear brake (4.3.2 (a) (iii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Suspension component pin or bush excessively worn Excessive play in rear swing arm pivot (5.3.4 (a) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Stop lamp not working Rear brake not operating stop lamp (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Sticking in position (6.2.7 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp not working Foot (4.3.1 (a) (ii)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |