| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 42 |
| Headlamp aim out of alignment | 30 |
| Registration plate issues | 29 |
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Footrest missing |6.2.1a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Registration plate lamp issues | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| 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)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Brake pedal has insufficient reserve travel Air in rear brake system, Air bled from system at station. (1.1.2 (a)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Central Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition noisy, baffles missing. (8.1.1 (a)) | 1 |
| Offside Upper Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected steering head bearings excessively stiff/notchy |2.2.2 |f| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear suspension component seized bottom links |2.4A2a|ii|| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Central Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Steering lock stop ineffective steering hitting horn before stop |2.1.3| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Central Front Upper Horn missing Horn connections faulty |1.7.1| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Brake pedal pivot excessively tight |1.1.1 |a|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Lower Rear suspension bush has excessive free play dog bone |2.4.A2a|i|| | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Suspension arm fractured dog bone (5.3.3 (b) (ii)) | 1 |
| Central Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Central Front Upper Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Front Upper Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Offside Front Upper Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Lower Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Central Front Upper Horn not working |7.7 |a| |ii|| | 1 |
| Central Rear Upper Rear reflector missing missing rear reflector - added as needed (4.8.2 (a) (ii)) | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride sprocket nut loose |6.2.1h| | 1 |
| Nearside Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Central Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Suspension arm pin or bush excessively worn dog leg lowest bush stabiliser arm to dog leg (5.3.4 (a) (i)) | 1 |
| Rear Footrest missing requires pillion footrests |6.2.12 |a|| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Horn sound not in accordance with requirements not loud enough to be heard by other road users |7.7 |c|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| 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 |