| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Stop lamp remains on when the brakes are released | 11 |
| Rear Position lamp not working (4.2.1 (a)) | 10 |
| Front Brake excessively binding (1.2.1 (f)) | 9 |
| Registration plate lamp issues | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Riders seat insecure (6.2.5 (a) (ii)) | 4 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Registration plate issues | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Brake grabbing severely (1.2.1 (c)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Rear Stop lamp not working front brake light inop (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Direction indicator likely to become detached rear left indicator broken (4.4.1 (c) (ii)) | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Front Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear control U/S (4.3.2 (a) (iii)) | 1 |
| Suspension arm insecure and control of the motorcycle impaired swingarm to drive unit (5.3.3 (a) (ii)) | 1 |
| Offside Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Idle Speed Raising on R/H Lock. (6.2.7 (a) (i)) | 1 |
| Front Upper Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Offside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak fork seals (5.3.2 (b)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Upper Horn not working (7.7 (a) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake hose leaking (1.1.12 (c)) | 1 |
| Central Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Central Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Position lamp not working side lamp inop (4.2.1 (a)) | 1 |
| Rear Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Nearside Front Brake disc contaminated Nearside front brake disc contaminated with oil (1.1.14 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock Steering lock stop broken (2.1.4 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock steering lock stop broken (2.1.4 (b)) | 1 |
| Stop lamp not working Forward Control (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Nearside Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Offside Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Nearside Rear Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Rear Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Stop lamp not working when rear brake is applied. (4.3.1 (a) (ii)) | 1 |
| Front Position lamp switch does not illuminate all position lamps with a single operation (4.2.2 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Lower Steering linkage ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Rear control not functioning (4.3.2 (a) (iii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock both sides (2.1.4 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Offside Rear Lower Brake pedal not releasing correctly and functionality of brakes affected Needs lubrication on pivot (1.1.2 (b) (ii)) | 1 |
| Offside Front Upper Brake hose damaged and likely to fail steering fouls brake line from master cylinder (1.1.12 (a)) | 1 |
| Offside Front Brake hose excessively stretched (1.1.12 (b) (ii)) | 1 |
| Front All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Wheel spoke excessively bent x2 (5.2.2 (d)) | 1 |
| Front Wheel spoke cracked x1 (5.2.2 (d)) | 1 |
| Front Wheel spoke excessively loose x1 (5.2.2 (d)) | 1 |