| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Headlamp aim beam image kick up to the offside |1.6| | 21 |
| Registration plate issues | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Registration plate lamp issues | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 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 |
| Riders seat insecure |6.2.1a| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Brake locking device missing |3.2.A1e| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Horn not working |1.7.3a| | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust is leaking and excessively noisey at centre section |7.1.1b| | 1 |
| Front Exhaust mounting missing |7.1.1c| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front Brake component is excessively corroded flexible hose banjo ends |3.1.5| | 1 |
| Front shock absorber seal failed and leaking oil both fork legs |2.3.3| | 1 |
| Fuel cap mounting flange/sealing method defective unable to open at time of test |7.2.2c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride side stand cut out switch inop |6.2.1h| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Exhaust is leaking and excessively noisey o/s and n/s |7.1.1b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Vehicle identification number incomplete (0.2 (b)) | 1 |
| Front Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Offside Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Fairings insecure and likely to impede the steering wind/shield loose |2.1.2e| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Brake lever has insufficient reserve travel touching bars when fully applied (1.1.2 (a)) | 1 |
| Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Front Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake back plate|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Brake performance not tested |3.3| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick up wrong way |4.1.2 |a|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Lower Brake pedal attachment screws loose |3.1.2b| | 1 |
| Nearside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Nearside Front Braking system leaking caliper leaking oil on to disc |3.6.A.1| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Exhaust system insecure (6.1.2 (a)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Offside Rear Lower Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Plate brake test No brake control achieves an efficiency of 30%. |3.3.B2a| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Upper Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Front Upper Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Upper Brake lever pivots excessively worn |3.1.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Direction indicators flashing more than 120 times per minute All |1.5.1c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Brake performance not tested no pressure on front brake lever |1.2.1 |g|| | 1 |