| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Registration plate issues | 21 |
| Stop lamp remains on when the brake is released |1.3.1e| | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear 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 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake pedal pivot excessively tight |1.1.1 |a|| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Stop lamp not working front and rear brake lever/pedal |4.3.1 |a| |ii|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering osf indicator fowling fuel tank so adjusted and now clear. |2.1.2a| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear Stop lamp flickers when tapped lightly by hand |1.3.1d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Steering lock stop maladjusted |2.1.3| | 1 |
| Brake component is excessively corroded rear disc pads |3.1.5| | 1 |
| Brake pipe excessively corroded | 1 |
| Rear Exhaust silencer likely to become detached |8.1.1 |b| |ii|| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Stop lamp remains on when the brake is released faulty front brake lever switch |1.3.1e| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Nearside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 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 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Brake hose excessively deteriorated | 1 |
| Centre Front Lower Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Drive belt excessively loose |6.1.7 |c| |i|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock steering lock hitting headlight |2.1.4 |b|| | 1 |
| Headlamp aim not tested fouling lock to lock on steering lock and not working |4.1.2 |b|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected return cable excessively worn retain mount |6.2.7 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |