| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 17 |
| Headlamp aim out of alignment | 14 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 13 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 11 |
| Registration plate issues | 8 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Steering headbearing has excessive free play |2.2.2| | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| 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| | 5 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Steering linkage has excessive free play |2.2.2| | 4 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 3 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Handlebar mounting clamp loose |2.1.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 2 |
| Nearside Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Clutch lever bent so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Nearside Rear Brake lever insecure |3.1.2a| | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Front Brake caliper|s| insecure |3.2.A1j| | 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 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake master cylinder severely corroded |3.2.B1b| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear Brake lever attachment screws missing |3.1.2b| | 1 |
| Nearside Steering lock stop maladjusted |2.1.3| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake lever pivot excessively tight |1.1.1 |a|| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Wheel inadequatly repaired significantly reducing the original strength |4.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Front Upper Steering linkage has excessive free play |2.2.2| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Headlamp not working on dipped beam dip beam not working |4.1.1 |a| |ii|| | 1 |
| Front Stop lamp not working front brake stop lamp is not working |4.3.1 |a| |ii|| | 1 |
| Handlebar mounting so insecure that steering is adversely affected handle bars have free play on side to side operation at top behind body panels |2.2.1 |a| |ii|| | 1 |
| Nearside Rear Footrest insecure foot peg pivot pin missing |6.2.12 |a|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake pivot has restricted free movement seized (1.1.15 (e)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface taped over (4.8.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Upper Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Upper Brake lever attachment screws loose |3.1.2b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |