| Most common failures | No# failures |
|---|
| Registration plate issues | 46 |
| Rear reflector missing (4.8.2 (a) (ii)) | 22 |
| Headlamp aim out of alignment | 11 |
| Stop lamp remains on when the brakes are released | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Horn not working |1.7.3a| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Registration plate lamp issues | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 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 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Rear Suspension rod pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort 35kg deflection on roller brake test (3.3.A1d) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Drive chain sprocket excessively loose Main hub nut loose (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Central Front Upper Brake hose excessively twisted front brake lines very tight (zip tied together) freed off as was binding excessively on right hand lock (1.1.12 (b) (ii)) | 1 |
| Nearside Rear Lower Drive chain sprocket so worn it is likely to fail drive sprocket nut/bolts worn incorrectly fitted as two out of five loose - when wheel is rotated makes a clicking sound form the same area - needs investigation diagnosis to determine problem, (6.1.7 (c) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake master cylinder defective but brake still operating Master need to be replaced, loosing pressure. (1.1.10 (b) (i)) | 1 |
| Offside Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle grip slipping on its sleeve. (6.2.7 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Lower Suspension arm pin or bush excessively worn Trailing arm Bush (marked with chalk) (5.3.4 (a) (i)) | 1 |
| Central Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Footrest insecure |6.2.12 |a|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Rear Position lamp light intensity significantly reduced number plate obscuring rear position lamps,stop lamp,indicators. (4.2.3 (a) (ii)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort 35kg (1.2.1 (e)) | 1 |
| Rear Stop lamp not working inop on control one and two (4.3.1 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition customer fitted baffles to exhaust (8.1.1 (a)) | 1 |
| Central Rear Lower Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Suspension component pin or bush excessively worn rear lower shock mount |5.3.4 |a| |i|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Direction indicator likely to become detached Both rear indicators (4.4.1 (c) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn Bottom link rose joint at attachment to swing arm (5.3.4 (a) (i)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle operating incorrectly throttle not returning to close position, stick wide open (6.2.7 (a) (i)) | 1 |
| Offside Front Footrest insecure Pivot split pin missing, bolt loose (6.2.12 (a)) | 1 |
| Brake pedal anti-slip provision loose Brake pedal tip insecure (1.1.2 (c)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |
| Rear Wheel bearing has excessive play hub |5.1.3 |a| |i|| | 1 |
| Central Rear Suspension component pin or bush excessively worn rear rocker arm bush knocking |5.3.4 |a| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear 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 |
| Rear Suspension component ball joint likely to become detached (5.3.4 (a) (ii)) | 1 |
| Rear Lower Suspension arm pin or bush excessively worn Shock absorber |5.3.4 |a| |i|| | 1 |
| Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake lagging in operation spongy brake (1.2.1 (d)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |