| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 53 |
| Registration plate issues | 51 |
| Headlamp aim out of alignment | 19 |
| Rear reflector missing (4.8.2 (a) (ii)) | 16 |
| Registration plate lamp issues | 11 |
| Rear reflector missing |4.8.2 |a| |ii|| | 10 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 9 |
| Horn not working |1.7.3a| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 4 |
| 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|| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| 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 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |
| 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)) | 2 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front suspension assembly component missing bolt missing |2.3.1| | 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 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Steering lock stop maladjusted |2.1.3| | 1 |
| Front Upper Fairings insecure and likely to impede the steering bolts loose |2.1.2e| | 1 |
| Stop lamp not working Not working on front or rear brake controls. |4.3.1 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Brake hose damaged | 1 |
| Rear reflector on motorcycle missing replace |1.4.1| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Front wheel has a loose wheel bolt|s| |4.2.3a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Throttle operating incorrectly sticking on lock |6.2.1f| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies handlebar lever |1.3.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain excessively loose (6.2.1d) | 1 |
| Rear Wheel more than one fixing loose wheel adjusters loose (5.2.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested Headlamp Not Working (4.1.2 (b)) | 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 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 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 |
| Nearside Front Brake component insecure (1.1.21 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel cap ineffective cant open (6.1.3 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Central Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |