| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Front Brake excessively binding (1.2.1 (f)) | 20 |
| Horn not working (7.7 (a)) | 18 |
| Registration plate lamp issues | 12 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 10 |
| Stop lamp remains on when the brakes are released | 9 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 4 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Front Brake grabbing severely (1.2.1 (c)) | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Registration plate issues | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Brake hose damaged | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected secured with locking nut and washer. (1.1.2 (b) (ii)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Upper Handlebar mounting so insecure that steering is adversely affected handlebars able to move left-right without initial movement of front wheel- evident during roller brake test and front end checks (2.2.1 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases Silencer joint (6.1.2 (a)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel has loose rivet/s or bolts (5.2.2 (e) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Stop lamp not working not working using front brake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel rear brake control (1.1.2 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock On right hand lock (2.1.4 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake excessively binding very hard to push (1.2.1 (f)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Rear Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel spindle locking device missing rear wheel nut missing (5.2.1 (d)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced only 3 leds working (4.2.3 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak both rear shocks (5.3.2 (b)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork (5.3.2 (b)) | 1 |
| Front Brake caliper inadequately mounted Upper bolt insecure(hanging out) (1.1.16 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak also has slight pitting (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Shock absorber insecurely attached Upper bolt missing from lower yoke (5.3.2 (a) (i)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Steering linkage component fractured to the extent that steering is affected (2.1.3 (c) (ii)) | 1 |
| Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel rear link to front brake not working (1.2.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake caliper inadequately mounted bolts loose (1.1.16 (c) (i)) | 1 |
| Headlamp aim unable to be tested dip not working (4.1.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly On Full lock (6.2.7 (a) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering handlebars bent (2.4 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |