| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 45 |
| Registration plate issues | 31 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Horn not working |1.7.3a| | 13 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| 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| | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Registration plate lamp issues | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Headlamp insecure |1.2.3b| | 2 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 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 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Nearside Rear Upper Direction indicator not working |1.5.1c| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Offside 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| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Direction indicator affected by the operation of another lamp both |1.5.1c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Wheel fixing missing |single fixing| split pin missing |5.2.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded lever |3.2.A1h| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Riders seat insecure seat has no fixing, bolt is missing |6.2.5 |a| |ii|| | 1 |
| Position lamp showing white light to the rear rear light is almost white light |4.2.3 |a| |ii|| | 1 |
| Brake reaction bracket securing bolt|s| missing Split pin |3.2.A1j| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Central Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Built up wheel has a loose bolt/s N/S AND O/S LOCKING NUTS ON THE CHAIN ADJUSTER LOOSE PRS |4.2.1c| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake component inadequately mounted Locking devices missing (1.1.21 (c)) | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Horn missing |1.7.1| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Central Front Inner Steering headbearing has excessive free play |2.2.2| | 1 |
| Central Front Upper Horn not working |7.7 |a| |ii|| | 1 |
| Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Pillion seat with a defective supporting structure (6.2.6 (a) (i)) | 1 |
| Throttle operating incorrectly does not return (6.2.7 (a) (i)) | 1 |
| Footrest missing pillion pegs not fitted but has a pillion seat (6.2.12 (a)) | 1 |
| Position lamp switch does not illuminate all position lamps with a single operation no pilot light at front (4.2.2 (a)) | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Front Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Brake locking device missing split pin missing |3.2.A1e| | 1 |
| Throttle operating incorrectly sticking open |6.2.1f| | 1 |
| Front Upper Horn not working |1.7.3a| | 1 |
| Offside Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake component insecure Spilt pin missing from reaction stay (1.1.21 (c)) | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Valve stem seriously misaligned locking nut loose (5.2.3 (j)) | 1 |
| Rear Valve stem seriously misaligned locking nut loose (5.2.3 (j)) | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Offside Rear Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Decelerometer brake test indicates a sticking brake |3.3.E1d| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear Direction indicator lens defective such that the emitted light is adversely affected |4.4.1 |b| |ii|| | 1 |
| Front Decelerometer brake test indicates a severely grabbing brake |3.3.E1e| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Centre Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Lower Wheel fractured significantly reducing the original strength |4.2.1a| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Engine mounting/bracket missing (6.1.8 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |