| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| 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| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Nearside Front Direction indicator not working |1.5.1c| | 4 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 4 |
| Registration plate issues | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Registration plate lamp issues | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| An item not tested |Manual| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake pedal attachment screws loose |3.1.2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear Braking system leaking |3.6.A.1| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected on lock engine revs up (6.2.7 (a) (ii)) | 1 |
| Steering headbearing has excessive free play (2.2.2) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Stop lamp not working Rear brake pedal (4.3.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Front Wheel more than one fixing loose spindle clamp bolt fitted (5.2.1 (a) (ii)) | 1 |
| Brakes imbalanced across an axle | 1 |
| Brake cable insecure (1.1.15 (c)) | 1 |
| Brake cable damaged (1.1.15 (a)) | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Brake master cylinder insecure rear brake cylinder insecure (1.1.10 (c)) | 1 |
| Suspension component mounting prescribed area excessively corroded significantly reducing structural strength frame corroded (5.3.6 (a) (i)) | 1 |
| Stop lamp(s) remains on when the brakes are released foot brake (4.3.2 (a) (iii)) | 1 |
| Rear Brake pipe excessively damaged (1.1.11 (c)) | 1 |
| Rear Shock absorbers insecurely attached both (5.3.2 (a) (i)) | 1 |
| Rear Suspension component mounting prescribed area so inadequately repaired that control of the vehicle is likely to be adversely affected (5.3.6 (a) (ii)) | 1 |
| Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Rear Suspension component has an unsafe modification (5.3.3 (c) (i)) | 1 |
| Brake modification unsafe master cylinder (1.1.21 (d) (i)) | 1 |
| Brake modification unsafe hand brake and cables (1.1.21 (d) (i)) | 1 |
| Front Steering head bearings has excessive wear or free play (2.2.2 (g)) | 1 |
| Rear Brake clevis joint insecure master cylinder (1.1.15 (c)) | 1 |
| Brake cable insecure hand brake cable locking devises onfront part and rear part (1.1.15 (c)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Vehicle structure strengthening plate or fastening insecure bolt missing on sub frame (6.1.1 (b) (i)) | 1 |
| Offside Suspension component insecurely attached bolt to long fowling swing arm (5.3.3 (a) (i)) | 1 |
| Rear Exhaust system insecure silancers are wobbling not fixed propley (6.1.2 (a)) | 1 |
| Parking brake lever inoperative (1.1.6 (d)) | 1 |
| Nearside Rear Hydraulic brake cylinder insecurely mounted wheel cylinder clip missing (1.1.16 (c) (i)) | 1 |
| Offside Rear Hydraulic brake cylinder insecurely mounted wheel cylinder clip missing (1.1.16 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |