| Most common failures | No# failures |
|---|
| Registration plate issues | 75 |
| Rear reflector on motorcycle missing |1.4.1| | 70 |
| Headlamp aim out of alignment | 31 |
| Horn not working |1.7.3a| | 23 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 23 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 19 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 19 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 18 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 16 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Front wheel bearings have excessive free play |2.3.5b| | 12 |
| Headlamp aim beam image kick up to the offside |1.6| | 11 |
| Front wheel bearings are excessively rough |2.3.5b| | 9 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 6 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Horn missing |1.7.1| | 5 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Horn not working |1.7.3a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear position lamp incorrect colour |1.1.2b| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| An item not tested |Manual| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 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 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Rear Chain guard insecure |6.2.1c| | 2 |
| Offside Steering lock stop missing |2.1.3| | 2 |
| Chain guard fouling another component |6.2.1c| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Brake pedal pivots excessively worn |3.1.3a| | 2 |
| Brake pedal attachment screws loose |3.1.2b| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Fuel cap sealing washer missing |7.2.2c| | 2 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Drive chain fouling another component |6.2.1d| | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen head light way out and not secure |1.6.B.1| | 1 |
| Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| 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| | 1 |
| Nearside Drive chain excessively tight |6.2.1d| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Headlamp main beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Horn sounds harsh or grating |1.7.3c| | 1 |
| Offside Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Rear Direction indicator not working |1.4.A.2c| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Brake hose damaged | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Offside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Offside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Central Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Handlebar cracked |2.1.1b| | 1 |
| Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake locking device insecure |3.2.A1e| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear mono-shock pivot excessively worn bottom shock mount |2.4.B.4| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Wheel spoke excessively loose all |4.2.1b| | 1 |
| Rear Floor brake test indicates a sticking brake pedal/master cylinder set up is poor |3.3.C2c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp missing |1.2.3a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Sidecar direction indicator not working no stop lamp on front or rear brake |1.5.1c| | 1 |
| Rear position lamp incorrect colour Showing white light to rear. |1.1.2b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Nearside Front Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride c clip fitted incorrectly |6.2.1h| | 1 |
| Handlebar cracked mounting brackets cracked |2.1.1b| | 1 |
| Nearside Motorcycle structure cracked center seat rail |6.1.1a| | 1 |
| Offside Motorcycle structure cracked center seat rail |6.1.1a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Nearside Exhaust mounting missing |7.1.1c| | 1 |
| Rear wheel spindle securing nut locking device insecure nut broken |2.4.A.2b| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Rear Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Rear suspension component seized |2.4A2a|ii|| | 1 |
| Nearside Rear Drive chain excessively tight chain ajusted |6.2.1d| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies bulb fitted |1.3.1a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Rear Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling wheel not inline |2.5.1| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Central Front Lower Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front position lamp damaged and function impaired (1.1.1b) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working On rear brake control (4.3.1 (a) (ii)) | 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 Horn not working (7.7 (a) (ii)) | 1 |
| Front Stop lamp not working switch missing (4.3.1 (a) (ii)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Fuel cap ineffective Fuel cap seal missing (6.1.3 (b) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (front mudguard) (2.1.4 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Shock absorber likely to become detached lower bolt not long enough to lock nut. only on by a few threads (5.3.2 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle stcking open (6.2.7 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect LED Bulb fitted, suspect reason for no pattern. (4.1.2 (c)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Fuel cap ineffective No seal fitted (6.1.3 (b) (i)) | 1 |