| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 13 |
| Registration plate issues | 10 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Registration plate lamp issues | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 2 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Headlamp incorrect colour |1.2.1| | 2 |
| An item not tested |Manual| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Front Brake inadequately mounted Disk cover hanging off. (1.1.21 (c)) | 1 |
| Offside Front Body component likely to become detached Disc guard. (6.2.1 (a) (ii)) | 1 |
| Front Body component likely to become detached Mud guard half missing (6.2.1 (a) (ii)) | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Front Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |1.1.6 |d|| | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Rear Stop lamp not working With applying rear brake (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Central Rear Brake lever has insufficient reserve travel On the rear footbrake |1.1.2 |a|| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Exhaust mounting missing |7.1.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Centre Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Sidecar direction indicator not working nearside front sidecar indicator corroded terminal, cleaned and reconnected |1.5.1c| | 1 |
| Nearside Rear Sidecar rear position lamp does not illuminate immediately when it is switched on poor connection on position lamp |1.1.3a| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies sidecar stop lamp poor connection |1.3.1a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort rear brake insufficient pressure on dual system to lock brake |3.3.A1c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Offside Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Rear Brake cable knotted |3.5.1b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp not working Rear brake pedal (4.3.1 (a) (ii)) | 1 |
| Rear Suspension arm fractured (5.3.3 (b) (ii)) | 1 |
| Offside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front Front position lamp obscured more than 50% |1.1.1d| | 1 |
| Offside Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear Axle insecure such that stability is impaired swing arm to diff bolts loose (spring washers broken) (5.1.1 (b) (ii)) | 1 |
| Nearside Front Suspension component mounting modified so the suspension is likely to fail other components anti-dive bracket fouling nsf disc (5.3.3 (c) (ii)) | 1 |
| Brake performance not tested swing arm insecure *dangerous* (1.2.1 (g)) | 1 |
| Front Steering damper leaking oil |2.2.C.1f| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Rear Brake cable insecure | 1 |
| Nearside Rear Upper Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Upper Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Exhaust excessively deteriorated collector box holed |7.1.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies rear brake light switch |1.3.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake component leaking fluid |3.2.B4| | 1 |
| Steering headbearing has excessive wear or free play Head bearings are loose and notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil Both seals replaced |2.3.3| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake pedal fouling on other parts of the vehicle |3.3.A.4| | 1 |
| Steering column shaft has excessive end float head bearings |2.1.3| | 1 |
| Rear brake binding | 1 |
| Front Service brake grabbing severely |3.7.C.2| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Offside Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Centre Exhaust mounting missing |7.1.1c| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |