| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Registration plate issues | 6 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Exhaust excessively deteriorated |7.1.1a| | 4 |
| Front position lamp incorrect colour |1.1.2a| | 4 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Registration plate lamp issues | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Offside Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Horn not working |1.6.2a| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Steering damper ineffective |9.2.3b| | 1 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Exhaust system not adequately supported |7.1.1| | 1 |
| Centre Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front brake caliper securing device loose |3.5.1j| | 1 |
| Nearside Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Parking brake operation is causing the vehicle to swerve to the nearside |3.7.C.3a| | 1 |
| Offside Parking brake operation is causing the vehicle to swerve to the offside |3.7.C.3a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Central Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Central Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 1 |
| Offside rear brake grabbing severely |3.7.A.5b| | 1 |
| Offside Rear Wheel nut|s| loose nuts loose |4.2.A.1e| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Brake pedal is inoperative Moves to the stop with no brake effect |3.1.3c| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock extra hand guards removed for test |2.1.4 |b|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front All position lamps not working |4.2.1 |a|| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Outer Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Outer Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Lower Rear position lamp incorrect colour |1.1.2b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Rear Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced swinging arm and underside slight corrosion (6.1.1 (c) (i)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Lower Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Position lamp lens seriously defective flashing (4.2.1 (b)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 1 |
| Nearside Rear Additional braking device inoperative Not working (1.5 (b)) | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Suspension arm corroded and seriously weakened swing arm |5.3.3 |b| |i|| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Rear Brake disc contaminated |1.1.14 |b|| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear suspension component excessively corroded. Rear swing arm |2.4.A.1a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear Lower Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Lower Suspension arm attachment bracket/mounting bolt missing |2.4.G.1| | 1 |
| Offside Rear Lower Suspension arm attachment bracket/mounting bolt missing |2.4.G.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Hazard warning switch inoperative not working (4.4.2 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |