| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 40 |
| Headlamp aim out of alignment | 24 |
| Registration plate issues | 12 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Registration plate lamp issues | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Horn not working |1.7.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 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 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Brake pedal is damaged and the brake cannot be readily applied Rear |3.1.3c| | 1 |
| Headlamp at least one does not illuminate on dipped beam low beam ou |1.2.2a|i|| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Rider foot peg pin missing locking device |6.2.1h| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Offside Front Footrest insecure circlip missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest insecure circlip missing |6.2.12 |a|| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (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 Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Shock absorber has negligible damping effect no damping to rear shock (5.3.2 (b)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator with a multiple light source more than 1/2 not functioning |4.4.1 |a| |ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Outer Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| 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| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Direction indicator likely to become detached rear indicators too close together (4.4.1 (c) (ii)) | 1 |
| Direction indicator adversely affected by the operation of another lamp rear light & stop lights (4.4.3 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock throttle cables hitting fuel tank before hitting offside steering lock stop (2.1.4 (b)) | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |