| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 17 |
| Rear reflector missing (4.8.2 (a) (ii)) | 11 |
| Registration plate issues | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 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 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Upper Stop lamp not working Front brake light not functioning, wires disconnected - have reconnected to fix but still no brake light illumination (4.3.1 (a) (ii)) | 1 |
| Offside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Handlebar grip insecure to handlebar R/H SWITCH GEAR LOOSE (2.2.1 (d) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock suspect failed bearing (2.1.4 (c)) | 1 |
| Fuel cap ineffective Fuel cap seal cracked (6.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Offside Rear Lower Brake excessively binding |1.2.1 |f|| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle remains open on right lock (6.2.7 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Offside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Stop lamp not working Front brake switch inoperative |4.3.1 |a| |ii|| | 1 |
| Parking brake not fitted on at least one wheel on a 3 wheeled vehicle |3.1.1| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Rear Direction indicator incorrect colour both offside and nearside |1.4.A.2f| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Front position lamp|s| incorrect colour offside and nearside |1.1.A.3e| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear Rear reflector missing no rear reflector (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Front Upper Stop lamp does not illuminate by the operation of both brake controls front brake light disconnected - re- connected to correct (4.3.2 (a) (iii)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Brake component modification unsafe Rear brake disc blue due to binding
Brake |1.1.21 |d| |i|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Stop lamp not working brakelight switch loose conection tightened conection (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working from front brake lever operation |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working Forward Control (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Stop lamp not working Switch (4.3.1 (a) (ii)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Brake caliper damaged and braking performance affected Front caliper worn on mounting pin (1.1.16 (a) (ii)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Offside Rear Position lamp light intensity significantly reduced obscured (4.2.3 (a) (ii)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced obscured (4.4.3 (a)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp tail and brake light affected by indicator when in use (4.2.3 (b)) | 1 |
| Steering headbearing excessively stiff or notchy Adjustment carried out (2.2.2 (f) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake linkage has restricted free movement (1.1.15 (e)) | 1 |