| Most common failures | No# failures |
|---|
| Registration plate issues | 44 |
| Headlamp aim out of alignment | 31 |
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 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| | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Offside Rear Direction indicator not working |1.5.1c| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Horn not working |1.7.3a| | 5 |
| Registration plate lamp issues | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Nearside Rear Footrest insecure |6.2.1a| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Parking brake efficiency below requirements |3.7.C.1b| | 2 |
| Hazard warning switch missing |1.4.B.1d| | 2 |
| Nearside Rear reflector missing |1.5.1a| | 2 |
| Offside Rear reflector missing |1.5.1a| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Centre Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Centre Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| 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| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear An item not tested |Manual| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Stop lamp not working brake |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Motorcycle structure adversely modified |6.1.1b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on Number plate lamp |1.1.3a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Hazard warning switch inoperative no tell tail (4.4.2 (a) (ii)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Rear Stop lamp remains on when the brake is released rer pedal is not returning |1.3.1e| | 1 |
| All position lamps do not illuminate immediately when switched on side light |1.1.3a| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil oil on disc brake |2.3.3| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 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 |
| Nearside Front Front suspension assembly component excessively bent fork leg |2.3.1| | 1 |
| Offside Front Front suspension assembly component excessively bent fork leg |2.3.1| | 1 |
| Front suspension assembly component excessively misaligned all front |2.3.1| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Upper Exhaust mounting does not fully support the exhaust system Exhaust silencer loose on mounting |7.1.1.c| | 1 |
| Offside Rear Upper Exhaust excessively deteriorated Rear silencer has damage and is not fully supported |7.1.1a| | 1 |
| Horn replaced by a siren |1.7.3b| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Stop lamp|s| not working all |4.3.1 |a| |ii|| | 1 |
| Driver`s seat insecure |6.2.5 |a| |ii|| | 1 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Offside Rear Footrest insecure mudguard |9.6.1| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Offside Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Rear reflector obviously incorrectly positioned |1.5.1a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Rear Suspension arm fractured |2.4.G.1| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Nearside IMPORTANT. Do not use failure or PRS against this item. For brake performance defects please enter 5575 in the `Find item` box above. |9.3| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Brake pedal cannot be applied smoothly sticking on |3.1.3d| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride engine mounting loose |6.2.1h| | 1 |
| Stop lamp not working foot |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Wheel fixing missing (single fixing) rear wheel castle nut missing locking pin (5.2.1 (a) (ii)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front shock absorber leaking oil |9.2.7b| | 1 |
| Offside Front shock absorber leaking oil |9.2.7b| | 1 |
| Offside Front brake disc contaminated by oil +pads |3.5.1h| | 1 |
| Hazard warning switch inoperative missing |4.4.2 |a| |ii|| | 1 |
| Hazard warning lamps not fitted |4.4.1 |d|| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Brake linkage has restricted free movement linkage seized (1.1.15 (e)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 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 Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Stop lamp not working Brake light switch |4.3.1 |a| |ii|| | 1 |
| Direction indicator missing No indicators fitted at time of test |1.5.1a| | 1 |
| Direction indicator missing All indicators |1.5.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Parking brake lever is located so that it cannot be satisfactorily operated from the driver`s seat |3.1.3c| | 1 |
| Nearside Rear Brake performance not tested exsesivly binding (1.2.1 (g)) | 1 |
| Front Brake component leaking fluid |3.2.B4| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Direction indicator obscured |1.5.1a| | 1 |
| Offside Rear Direction indicator obscured |1.5.1a| | 1 |
| 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 Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp not working when front brake applied (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working when front brake applied |4.3.1 |a| |ii|| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Rear Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Inner Rear Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |