| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 55 |
| Registration plate issues | 28 |
| Horn not working |1.7.3a| | 11 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 9 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Riders seat insecure |6.2.1a| | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Rear Wheel spoke excessively loose |4.2.1b| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Exhaust excessively deteriorated |7.1.1a| | 3 |
| 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| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear reflector on motorcycle missing (1.4.1) | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Front Wheel spoke excessively loose |4.2.1b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Registration plate lamp issues | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Rear Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Rear Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Brake lever attachment screws missing |3.1.2b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front An item not tested |Manual| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition baffles removed from std silencers |7.1.2| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Exhaust is leaking and excessively noisey rear silencer link pipes |7.1.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort 20kgf |3.3.A1d| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Brake performance not tested |3.3| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Brake pedal functionally incomplete |3.3.A.1a| | 1 |
| Brake master cylinder insecurely mounted |3.6.G.1a| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| An item not tested |Manual| | 1 |
| Centre Riders seat insecure |6.2.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Headlamp aim beam image kick up to the offside convertor fitted |1.6| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel rotation likely to be impeded rear mudguard insecure / deteriorated |6.2.1b| | 1 |
| Offside Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Rear Sub-frame attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Stop lamp missing |1.2.1a| | 1 |
| Rear Rear reflector missing |1.5.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp insecure (1.2.3b) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 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 |
| Brake component insecure torque arm (1.1.21 (c)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. (2.1.1c) | 1 |
| Front Brake fluid reservoir fluid level dangerously low (3.2.B1d) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Upper Brake hose connection leaking reservoir banjo joint leaking when under pressure (1.1.12 (c)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swing arm bearings (5.3.4 (a) (i)) | 1 |
| Fuel pipe so insecure there is a risk of fire (6.1.3 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear fog lamp not working tel tel indicator not working (4.5.1 (a) (ii)) | 1 |
| Offside Rear Vehicle structure has a fracture which is likely to adversely affect braking or steering arm cracked (6.1.1 (a) (ii)) | 1 |
| Rear Body component insecure prop shaft joint worn to come off (6.2.1 (a) (i)) | 1 |
| Brake cable has restricted free movement hand brake cable loose (1.1.15 (e)) | 1 |
| Headlamp aim projected beam image obviously incorrect tape added to lens on test to correct image (4.1.2 (c)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |