| Most common failures | No# failures |
|---|
| Registration plate issues | 37 |
| Headlamp aim out of alignment | 34 |
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 5 |
| Horn not working |1.7.3a| | 5 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Brake pipe excessively corroded | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Horn missing |1.7.1| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Registration plate lamp issues | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake hose which buldges |3.2.B4| | 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 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Front position lamp does not face the front |1.1.1d| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Rear Lower Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Exhaust mounting missing Silencer mounting bolt. |7.1.1c| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 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 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear reflector on motorcycle missing fitted now |1.4.1| | 1 |
| Centre Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Drive belt excessively loose. |6.2.1d| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Nearside Front Upper Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Front Upper Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Rear Upper Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Rear Upper Indicator tell tale not functioning |1.5.2| | 1 |
| Fuel system component leaking |7.2.1a| | 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 |
| Nearside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Stop lamp not working off front lever (4.3.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Central Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Indicator tell tale not functioning (1.5.2) | 1 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush likely to become detached swing arm bushes badly worn (5.3.4 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect slightly off line (4.1.2 (c)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |