| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 53 |
| Registration plate issues | 38 |
| Headlamp aim out of alignment | 22 |
| Rear reflector missing |4.8.2 |a| |ii|| | 19 |
| Registration plate lamp issues | 19 |
| Horn not working (7.7 (a) (ii)) | 10 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 10 |
| 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)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Horn not working (7.7 (a)) | 5 |
| 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|| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 3 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake effort inadequate at a wheel rear brake not functioning (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 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar Spins (2.2.1 (d) (ii)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp affected by indicators (4.2.3 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working front brake control (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Stop lamp not working when front brake is applied (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working new switch fitted (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| All direction indicators obviously incorrectly positioned Rear (4.4.3 (a)) | 1 |
| Stop lamp not working Front control. (4.3.1 (a) (ii)) | 1 |
| Central Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - added as needed (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Wheel fixing missing (multiple fixings) Split Pin missing (5.2.1 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Exhaust markings indicating not for road use or similar wording Race use only (6.1.2 (c)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Stop lamp not working Front brake operated. (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Stop lamp does not illuminate by the operation of both brake controls front brake switch not illuminating stop lamp (4.3.2 (a) (iii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Central Front Lower Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected Large flat spot on one side of Front alloy wheel, buckle/dent on the opposing side of alloy wheel. (5.2.2 (c) (ii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Nearside Rear Direction indicator not working now replaced (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 1 |
| Central Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Central Rear Outer Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Outer Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Rear Wheel alignment incorrect which adversely affects the handling >10mm measured at front wheel (2.4 (a)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |