| Most common failures | No# failures |
|---|
| Registration plate issues | 21 |
| Headlamp aim out of alignment | 17 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| 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| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Offside Rear Direction indicator not working new bulb fitted |1.5.1c| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Centre Front Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| An item not tested |Manual| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 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 |
| Throttle operating incorrectly over adjusted |6.2.1f| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Motorcycle structure cracked |6.1.1a| | 1 |
| Offside Rear Brake locking device missing Tie rod |3.2.A1e| | 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 Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Handlebar handgrip missing |2.1.1c| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies mal adjusted switch |1.3.1a| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Centre Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Leg shield insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Suspension component modified so the suspension is inoperative tool roll fitted to bottom yoke fowling suspension movement (5.3.3 (c) (ii)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |