| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 21 |
| Headlamp aim out of alignment | 13 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Rear Position lamp not working (4.2.1 (a)) | 10 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Registration plate issues | 8 |
| Horn not working (7.7 (a) (ii)) | 8 |
| Stop lamp remains on when the brakes are released | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Registration plate lamp issues | 5 |
| Horn not working (7.7 (a)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 2 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 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 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Front Brake fluid contaminated (1.8 (a)) | 2 |
| Nearside Front Brake lever insecure (1.1.2 (e) (i)) | 2 |
| Exhaust has a major leak of exhaust gases hole in exhaust due to rust. (6.1.2 (a)) | 1 |
| Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Offside Front Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Steering headbearing excessively stiff or notchy Bad drop in (2.2.2 (f) (i)) | 1 |
| Central Front Headlamp not working on dipped beam Headlamp Dip Beam Not Working New Bulb Fitted PRS (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Headlamp aim not tested bulb blown (4.1.2 (b)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Lower Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Lower Horn not working (7.7 (a)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front 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)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure insecure fairing (6.1.1 (b) (i)) | 1 |
| Headlamp aim not tested unable to check lights (4.1.2 (b)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Stop lamp lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Position lamp showing white light to the rear lens missing (4.2.3 (a) (ii)) | 1 |
| Front Lower Brake hose connection leaking (1.1.12 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Position lamp not working Dipped beam (4.2.1 (a)) | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Stop lamp not working o/s brake lever switch (4.3.1 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp emits other than a steady red light Showing white light to rear (4.3.3 (a) (ii)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Panel???s lose (6.1.1 (b) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Brake lever has insufficient reserve travel Rear brake (1.1.2 (a)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front Stop lamp not working front stop light not working (4.3.1 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering (6.1.1 (a) (ii)) | 1 |
| Nearside Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Offside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp not working with front brake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel fixing loose (multiple fixings) DANGEROUS (5.2.1 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp light source and lamp not compatible no pattern, little light output (4.1.4 (c)) | 1 |
| Position lamp lens seriously defective very little light output (4.2.1 (b)) | 1 |