| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 34 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 19 |
| Horn not working |1.7.3a| | 13 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 9 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 8 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 6 |
| Rear reflector on motorcycle obscured |1.4.1| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Direction indicators not working |1.5.1c| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Steering headbearing has excessive free play |2.2.2| | 4 |
| Registration plate issues | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Front Brake lever insecure |3.1.2a| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| 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)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Fuel system component leaking (6.1.3 (b) (i)) | 2 |
| All position lamps adversely affected by the operation of the horn |1.1.3b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Brake lever pivots excessively worn |3.1.3a| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the steering steering mis-aligned. |2.4 |a|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Headlamp not working on dipped beam fit a new bulb (4.1.1 (a) (ii)) | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Steering lock stop missing |2.1.3| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake lever is inoperative |3.1.3c| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Motorcycle structure excessively damaged rear fender broken |6.1.1a| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Fuel cap ineffective Cap seal missing (6.1.3 (b) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| An item not tested |Manual| | 1 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Front Brake hose excessively twisted |1.1.12 |b| |ii|| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake lever so insecure that the brake cannot be readily applied lever mounting is fractured |1.1.2 |e| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| 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 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. front forks have no movment..seized |2.3.6b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Centre Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |