| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 40 |
| Registration plate issues | 30 |
| Rear reflector on motorcycle missing |1.4.1| | 22 |
| Headlamp aim beam image kick up to the offside |1.6| | 22 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 9 |
| 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| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Registration plate lamp issues | 5 |
| Rear Brake disc|s| cracked |3.2.A1g| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| 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 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Front position lamp incorrect colour |1.1.2a| | 2 |
| Rear 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 Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear An item not tested |Manual| | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Front Steering operation linkage fouling when handlebars turned from lock to lock on wiring harness. (2.1.4 (a)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies bulb blown |1.3.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Offside Front Exhaust excessively deteriorated (7.1.1a) | 1 |
| Headlamp aim beam image kick up to the offside (1.6) | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp(s) not working controll 1 (4.3.1 (a) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies adjusted after test |1.3.1a| | 1 |
| Headlamp aim projected beam image obviously incorrect Kick up to the right (4.1.2 (c)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Brake performance not tested front disc pads to low |1.2.1 |g|| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing (2.2.1a) | 1 |
| Steering movement excessively notchy with the weight on the lower bearing (2.2.1a) | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Direction indicator not working right rear indicator not working |1.5.1c| | 1 |
| Direction indicator not working |1.5.1c| | 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 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Direction indicator incorrect colour |1.5.1b| | 1 |
| Brake hose damaged | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake lever has insufficient reserve travel brake pedal feels spongy (1.1.2 (a)) | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Nearside Front Lower Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Rear Lower Brake component is excessively corroded |3.1.5| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect Beam "Kick Up" incorrect, projected too the right. (4.1.2 (c)) | 1 |
| Central Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Engine mounting/bracket bracket excessively loose bolts missing |6.1.8 |a| |ii|| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside (1.6) | 1 |
| Offside Front Stop lamp switch with a delay in operation brake switch intermittent (4.3.2 (a) (ii)) | 1 |
| Exhaust is leaking and excessively noisey (7.1.1b) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp does not illuminate immediately a brake applies foot pedal |1.3.1a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Rear Parking brake lever insecure |3.1.3b| | 1 |
| Handlebar mounting clamp bolt loose |9.2.1c| | 1 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear brake binding | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |