| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 62 |
| Registration plate issues | 45 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 16 |
| Horn not working (7.7 (a)) | 13 |
| Headlamp aim out of alignment | 12 |
| Stop lamp remains on when the brakes are released | 10 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 9 |
| Horn not working (7.7 (a) (ii)) | 8 |
| Rear Position lamp not working (4.2.1 (a)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 4 |
| Registration plate lamp issues | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 3 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Brake cylinder insecurely mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Stop lamp not working With front brake (4.3.1 (a) (ii)) | 1 |
| Central Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Clutch lever shortened so it cannot be readily operated clutch lever broken (6.2.7 (b)) | 1 |
| Brake lever is so short that the brake cannot be readily applied front brake lever damaged (1.1.2 (d)) | 1 |
| Rear reflector missing missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp switch with a delay in operation Front (4.3.2 (a) (ii)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Central Front Wheel has bolts/rivets missing or loose to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (e) (ii)) | 1 |
| Stop lamp not working with both brake controls (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Nearside Front Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Footrest insecure cotter pin missing from footrest mounting pin (6.2.12 (a)) | 1 |
| Handlebar grip insecure to handlebar left (2.2.1 (d) (ii)) | 1 |
| Stop lamp not working control 1(hand lever) (4.3.1 (a) (ii)) | 1 |
| Rear Wheel hub excessively worn (5.2.1 (b) (i)) | 1 |
| Headlamp has more than 1/2 LEDs not functioning (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Position lamp not working Rear light (4.2.1 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Wheel spoke excessively loose x2 (5.2.2 (d)) | 1 |
| Rear Rear reflector reflecting white to the rear (4.8.2 (a) (ii)) | 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 |
| Headlamp not working on dipped beam INOP (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested dip beam is inop (4.1.2 (b)) | 1 |
| Stop lamp not working on rear lever application (4.3.1 (a) (ii)) | 1 |
| Front Wheel spoke missing (5.2.2 (d)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Wheel excessively distorted Bad Dink in front wheel (5.2.2 (c) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam Dip and main beam crossed.. main is dip and dip is main? (4.1.3 (b)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Suspension attachment bracket/mounting insecure Shock (5.3.3 (a) (i)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Suspension arm pin or bush excessively worn swinging arm (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working on either control (4.3.2 (a) (iii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Horn not working FRONT BRAKE LIGHT STUCK ON (7.7 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Throttle operating incorrectly Cables routed incorrectly (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |