| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Registration plate lamp issues | 3 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Registration plate issues | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride No split pin in rear axle castellated nut |6.2.1h| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute wrong bulb fitted changed to higher watt to reduce flash rate |1.5.1c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort bled front brake to rid system of trapped air |3.3.A1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear suspension has a fracture of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| 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| | 1 |
| Front Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Offside Footrest insecure |9.6.1| | 1 |
| Rear Trailing arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Steering head bearings has excessive wear or free play seized and notchy |2.2.2 |g|| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Stop lamp does not face the rear |1.2.1a| | 1 |
| Offside Stop lamp does not face the rear |1.2.1a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Rear Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Front Lower Brake hose excessively damaged |3.6.B.4d| | 1 |
| Body has excessive displacement which may lead to loss of vehicle control |6.1.B.1a| | 1 |
| Rear Rear reflector missing |1.5.1a| | 1 |
| Centre Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Direction indicator not working righthand rear |1.5.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Footrest insecure lefthand front |6.2.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Exhaust system not adequately supported |7.1.1| | 1 |
| Front Stop lamp not working |1.2.1b| | 1 |
| Nearside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Rear Hydraulic brake cylinder retaining device insecure |3.6.A.2d| | 1 |
| Offside Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Hydraulic brake cylinder locking device insecure |3.6.A.2d| | 1 |
| Centre front brake binding |3.7.B.1| | 1 |
| Nearside Rear Mechanical brake component securing device missing |3.5.1i| | 1 |
| Offside Rear Mechanical brake component securing device missing |3.5.1i| | 1 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Centre Rear Sub-frame attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Nearside Front Steering component mounting prescribed area is inadequately repaired steering dampner |2.2.C.1h| | 1 |
| Front Brake hose excessively damaged |3.6.B.4d| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Centre Front Front position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 1 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Outer Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Fuel system component leaking |7.2.1a| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear spring worn and seriously weakened |2.4A1b|ii|| | 1 |
| Front Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear brake binding | 1 |
| Front Brake pedal spongy |3.3.B.1b| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake lever cracked |3.1.2c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Brake lever has insufficient reserve travel Adjustment made. (1.1.2 (a)) | 1 |
| Rear reflector missing x2. Fitted during test. (4.8.2 (a) (ii)) | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Hazard warning lamps not fitted (4.4.1 (d)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Brake valve leaking (1.1.7 (d) (i)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |