| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Registration plate issues | 18 |
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Stop lamp remains on when the brakes are released | 9 |
| Horn not working (7.7 (a)) | 8 |
| Rear Position lamp not working (4.2.1 (a)) | 7 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 5 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Registration plate lamp issues | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Offside Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement excessive play (6.1.8 (a) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Direction indicator not working DOES NOT FLASH (4.4.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Rear reflector missing PRS -Fitted Reflector (4.8.2 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Throttle operating incorrectly throttle sticking on (6.2.7 (a) (i)) | 1 |
| Headlamp aim unable to be tested no dip beam (4.1.2 (b)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel adjusted. (1.1.2 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Fuel cap ineffective Rubber seal missing (6.1.3 (b) (i)) | 1 |
| Offside Front Brake lever has insufficient reserve travel very spongy front brake bleed now ok (1.1.2 (a)) | 1 |
| Exhaust silencer likely to become detached Bolt and spacer missing (8.1.1 (b) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Rear Shock absorber has an excessively worn bush lower bush (5.3.2 (c)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn very thin (1.1.14 (a) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect Headlight mask fitted to correct beam pattern. (4.1.2 (c)) | 1 |
| Front Exhaust has a major leak of exhaust gases manifold (6.1.2 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Offside Front Upper 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 |
| Offside Rear Direction indicator not working likely indicator switch broken as not selecting on display either (4.4.1 (a) (ii)) | 1 |
| Horn not working Button missing (7.7 (a)) | 1 |
| Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Central Front Upper Headlamp aim not tested Headlamp inoperative (4.1.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Inoperative from front brake control (4.3.2 (a) (iii)) | 1 |
| Suspension component attachment bracket/mounting likely to fail engine mount worn (5.3.3 (b) (ii)) | 1 |
| Offside Front Upper Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Front Brake component insecure (1.1.21 (c)) | 1 |
| Upper Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Central Front Lower Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear reflector missing obstructed. (4.8.2 (a) (ii)) | 1 |