| Most common failures | No# failures |
|---|
| Rear reflector missing |4.8.2 |a| |ii|| | 13 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| Headlamp aim out of alignment | 9 |
| Registration plate lamp issues | 7 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Registration plate issues | 3 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| 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)) | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Brake master cylinder leaking level glass cracked |1.1.10 |b| |ii|| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Suspension component mounting modified so the suspension is inoperative front suspension siezed |5.3.3 |c| |ii|| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Stop lamp not working rear brake |4.3.1 |a| |ii|| | 1 |
| Front Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Front Brake lever has insufficient reserve travel rear brake lever returns to handle bar (1.1.2 (a)) | 1 |
| Offside Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Front Suspension component pin or bush excessively worn Front shock absorber linkage to caliper carrier pin bush worn (5.3.4 (a) (i)) | 1 |
| All direction indicators not working all indicators not working staying on as a constant light (4.4.1 (a) (ii)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Fuel cap ineffective Bits missing (6.1.3 (b) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working brake lever position 1 |4.3.1 |a| |ii|| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Brake lever has insufficient reserve travel Rear brake (1.1.2 (a)) | 1 |
| Brake effort inadequate at a wheel Rear wheel (1.2.1 (a) (i)) | 1 |
| Nearside Front Suspension rod ball joint excessively worn front (5.3.4 (a) (i)) | 1 |
| Offside Front Suspension rod ball joint excessively worn front (5.3.4 (a) (i)) | 1 |
| Front Suspension rod pin or bush likely to become detached front suspension bushes (5.3.4 (a) (ii)) | 1 |
| Front Brake reaction bracket excessively worn front brake bush worn (1.1.15 (b)) | 1 |
| Front Wheel more than one fixing loose front wheel loosed (5.2.1 (a) (ii)) | 1 |
| Front Suspension rod ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Brake performance not tested rear brake lever comes back to the handle bar causing no braking performance so no roller test was done (1.2.1 (g)) | 1 |
| Front Suspension component insecure and control of the motorcycle impaired seized in dangerous position |5.3.3 |a| |ii|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Stop lamp does not illuminate by the operation of both brake controls lever (4.3.2 (a) (iii)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Stop lamp not working with rear brake control |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working From front brake control (4.3.1 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Front Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Brake lever not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake activation (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Upper All position lamps not working dip beam (4.2.1 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Control loose on bars OK. (6.2.7 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |