| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 11 |
| Headlamp aim out of alignment | 9 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 8 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Exhaust excessively deteriorated |7.1.1a| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Headlamp insecure |1.2.3b| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Offside Rear Direction indicator insecure |1.5.3b| | 2 |
| Offside Front Direction indicator deteriorated and function impaired |1.5.3a| | 2 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Lower Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Direction indicator not working n/s |1.5.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Nearside Rear Brake cable has restricted free movement |1.1.15 |e|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Upper Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Offside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Brake excessively binding rear brake (1.2.1 (f)) | 1 |
| Centre Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake lever has inadequate reserve travel rear brake lever |3.1.3b| | 1 |
| Brake disc|s| excessively worn front brake disc |3.2.A1l| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Indicator switch defective |1.5.4| | 1 |
| Fairing insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Steering linkage has excessive free play handle bars move and wheel stays still |2.2.2| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Nearside Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Registration plate issues | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Centre Front Fairing insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Brake component has an inadequate repair |3.1.5| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake lever cannot be applied 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 wheel raised |2.2.1b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front An item not tested |Manual| | 1 |
| Central Lower Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 1 |